RETURN TO THE CHEMISTRY LAB PREP PAGE
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20 plastic rulers, mm |
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10 ml pipets |
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rubber bulbs |
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calculator |
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mossy zinc (metallic solid) 20 - 30 g |
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copper shot (metallic solid) 20 - 30 g |
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several available conc.s of NaCl, 1L each: 0.1M = 5.84g NaCl; 1.0% = 10g NaCl; 1.5% = 15g NaCl; 4.0% = 40g NaCl; 5.0% = 50g NaCl --- all diluted to 1L |
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sea water sample |
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10 ml pipet |
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50 ml graduated cylinder (or 100 ml) |
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50 ml or 100 ml beaker |
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weighing boats |
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top-loading balance |
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beaker (40 ml or 100 ml) |
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graph paper, students will provide |
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magnesium ribbon (19 - 25 cm strips) |
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crucibles with covers |
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wire triangles |
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distilled water in dropping bottles |
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balance |
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bunsen burner |
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crucible tongs |
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ring stand |
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ring clamp |
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No Prep |
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Boyle's Law Apparatus (set up in hood in room S205) |
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Gay Lussac's Law Apparatus (set up in hood in room S205) |
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barometer |
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beaker w/ cold water |
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thermometer |
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stirring rod |
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graph paper, student will provide this item |
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No Prep |
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Spectroscope: He, H and Na Lamps |
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two sheets graph paper (students will provide this item) |
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calculator (students will provide this item) |
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500 ML @ 0.1 M of each of the following (known concentrations): |
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ALL SOLNS ARE QUANTITIES FOR 1 ML/EACH UNKNOWN PER STUDENT |
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Cu(NO3)2 (for Cu2+) (cupric nitrate) |
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Fe(NO3)3 (for Fe3+) |
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MnCl2 (for Mn2+) |
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Ni(NO3)2 (for Ni2+) |
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Co(NO3)2 (for Co2+) |
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500 ml 0.1 M NaOH |
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100 ml conc. NH4OH (ammonia) in dessicator |
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600 ml acetone solution (for solvent mixture): 570 ml acetone + 30 ml 6N HCl |
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500 ml 0.1 M gloximine (DMG; dimethylglyoxime); Dissolve in Acetone not distilled water. |
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200 ml 6 M HCl |
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unknown concentrations of ions (Mn2+, Fe3+, Co2+, Ni2+, Cu2+): 1) Prepare 500 ml of a 15% solution for each unknown. 2) mix 100 ml of one unknown with 100 ml of another unknown to form an unknown for distribution to students. 3) EXAMPLE: UNKNOWN 1A = 100ml Cu2+ & 100ml Mn2+; UNKNOWN 2B = 100ml Fe3+ & 100ml Ni2+; UNKNOWN 3C = 100ml Fe3+ & 100ml Co2+; UNKNOWN 4D = 100ml Co2+ & 100ml Ni2+. 4) Check shelves for previously prepared solutions. |
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tests tubes |
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capillary tubes, 1 per known & unknown |
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filter paper cut into square |
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scissors |
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ruler, cm |
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graduated cylinder, 50 or 100 ml |
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beaker, 400 or 600 ml |
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watch glass |
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pencil |
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forceps |
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Reactants (3 ml/student): |
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1 L 0.1 M HCl |
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1 L 0.1 M H2SO4 |
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Put out display of 50 different compounds in 150 mm test tubes. |
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Put out containers of the following compounds: (3 ml/student) CaCO3; FeCl3; NiXl2.6H2O; NaOH; Na2CO3; CuSO4.5H2O; Pb(NO3)2, BaCl2.2H2O; AgNO3, Na3PO4.12H2O; CoCl2.6H2O; NH4NO3; Na 2S |
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litmus paper |
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No Prep |
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boric acid, 25 g (labeled B(oh)3 (aka boron hydroxide) |
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1 M HClO3, 100 ml (labeled ClO3(OH); may be Cl2O, Cl2O3, or Cl2O5 too) |
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KClO3 (potassium chlorate), 250 g WEAR SAFETY GOGGLES (10 g/student) |
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MnO2 (manganese dioxide), 25 g |
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Mg (magnisium) ribbon, 10 ml length {Do not injure you eyes by looking directly at the brilliant light during ignition] |
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charcoal |
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sulfur, powdered |
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sodium peroxide (WASH FINGERS AFTER TOUCHING SOLN.) |
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pneumatics troughs |
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gas bottles (four 250 ml wide mouth bottles with water) |
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glass squares |
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200 mm test tubes |
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delivery tubes |
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gas generation tube |
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deflagrating spoons |
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litmus paper |
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hot plate |
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bunsen burner |
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5 ml or 10 ml pipet |
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15 cm test tubes |
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crucible tongs |
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5 L 0.1 M HCl (one batch) standardized; 30 ml/student |
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10 L 0.1 M NaOH (one batch) |
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acetic acid, 5 ml/student |
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burets |
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2 L commercial vinegar |
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phenolphthalein in droppers |
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5 ml pipets |
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20 ml pipets |
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erlenmeyer flask |
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sea water, 4 L (10 ml/student) |
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AgNO3 (sliver nitrate), 0.100 M; 10 L (one batch) [Silver ion is reduced to metallic silver in the presence of light. This photoreduction" of silver ion forms the basis of modern photography. If you spill silver ion solution on your hands or clothing, spots will "develop".] |
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5% K2CrO4 (potassium chromate), 5%; 1 L (2 ml/student) |
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burets |
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pipets, 5 ml |
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50 ml beaker |
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250 ml erlenmeyer flask |
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copper |
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zinc |
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lead |
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sliver |
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1 L 0.1 M FeCl3 |
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1 L 6 M HCl |
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1 L 6 M NHe (ammonia) |
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methylene chloride (AKA dichloromethane) |
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1 L @ 0.1 M (nitrates or sulfates) of Cu, Zn, Pb and Ag |
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1 L @0.1 M (Na or K salts) of chloride, bromide & iodide (i.e.,KBr) |
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100 ml saturated aqueous solutions of bromine, iodine (0.05M) and |
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chlorine |
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potassium ferricyanide [K3Fe(CN)6] in droppers |
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o.1 M AgNO3 (silver nitrate) |
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p-dichlorobenzene |
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ethanol |
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urea |
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methylene chloride |
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weighing boats |
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mortar and pestles |
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75mm test tubes |
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stopper/cover for test tubes |
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melting point tubes (one end closed) |
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50 ml beaker |
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10 ml pipet |
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rubber bulbs |
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10 ml graduated cylinder |
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balance that weighs to the milligram (0.001g) |
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melting point apparatus |
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unknown A: benzophenone or isopropyl alcohol |
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unknown B: acetanilide or stearic acid |
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frezing point rubber stopppers |
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large test tubes |
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cheesecloth |
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naphthalene, 500g |
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sulfur, 100g |
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thermometer |
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bunsen burner |
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balance that weighs to the nearest milligram (0.001) |
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hot plate |
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beakers |
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graph paper (students will provide) crumpled pad of paper (students will provide) |
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crumpled pad of paper (to dispose of naphthalene) |
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burets, 25 ml or 50 ml |
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(NH4)2S2O8, 0.2M (2L) (made from unopened bottle) |
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NaS2O3, 0.4M (1L) |
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KI, 0.2M (2L) |
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KNO3, 0.2M (2L) |
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250 ml beakers |
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100 ml graduated cylinders |
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stopwatchs |
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Starch, 1% (in dropping bottles) |
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Cu2+, 0.01M in dropping bottles |
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EDTA, 0.01M in dropping bottles |
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NO PREP |
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Fe(NO3)3, 0/200M (2L) |
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Fe(NO3)3, 2.00 x 10-3 M (1L) |
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NH4ACN, 2.00 x 10-3M (2L) |
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HNO3, 0.10M (2L) |
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spec 20 |
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spec 21 |
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25ml vol. pipet (20 needed) |
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10 ml vol. pipet (20 needed) |
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100ml vol. flasks (20 needed) |
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rubber bulbs |
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HCL 1.00 x 10-3 M (2L) |
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NaOH 1.00 x 10-3 M (2L) |
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methyl orange in dropping bottles |
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methyl red in dropping bottles |
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bromthymol blue in dropping bottles |
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phenophthalein in dropping bottles |
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alizarin yello in dropping bottles |
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boric acid solution, 1L (0.618g boric acid. 1L) |
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ammonium hydroxide soln., 1L (0.05M) |
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pH meters |
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hot plates |
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small beakers |
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clean dry test tubes |
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burets, 50 ml |
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saturated Ca(OH)2, 2L (3g/100ml boiled distilled water) |
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HCl, 0.1M (2L) |
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methyl orange in dropping bottles |
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solution, 2L {(3g Ca()H)2 + 1g CaCl2.2H2O}/100ml |
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erlenmeyer flask, 125 ml |
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stoppers for 125 ml flask |
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25 ml pipet |
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HCI, 6M ; in dropping bottles |
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K2CrO4, 1M; in dropping bottles |
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NH3, 6M; in dropping bottles |
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HNO3, 4M; in dropping bottles |
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AgNO3, ~0.1M (150 ml) |
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Pb(NO3)2, ~0.1M; (150 ml) |
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Hg2(NO3)2, ~0.1M; (150 ml) |
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Ag+, Pb2+; 30ml mixture in dropping bottles labeled A |
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Ag+, Hg 2 2+; 30ml mixture in dropping bottles labeled B |
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Hg2 2+, Pb2+; 30ml mixture in dropping bottles labeled C |
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Hg2 2+, 30ml in dropping bottles labeled D |
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Pb2+, 30ml in dropping bottles labeled E |
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centrifuges |
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75 mm or 13 x 100 mm disposable test tubes |
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hot plates |
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stirring rods |
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syrofoam cups, 60 needed |
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covers w/ slit in the middle for styrofoam cups, 60 needed |
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thermometer |
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stop watches |
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100 ml graduated cylinder |
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balance |
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ice |
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styrofoam cups, 60 needed |
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covers w/ slit in the middle or aluminum foil to cover cups |
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magnesium, granulated |
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HCl, 1M (3L) |
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MgO, 250g |
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stop watches |
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thermometer |
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weighing boats |
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aluminum foil, 2 in. or (1.5 x 1.5) squares (30 needed) |
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unknown: ethyl acetate or methylene chloride, 4 L bottle |
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hot plates |
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clamps with stands |
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pins, small |
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125 ml erlenmeyer flask |
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600 ml beaker |
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graduated cylinder, 100ml |
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analytical balance (to weigh to the nearest milligram (0.001 g) |
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Fe (small brads) |
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Zinc, mossy |
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CuO, solid |
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MgO, solid |
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PbO, solid (AKA litharge) |
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ZnO, solid |
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KOH, pellets |
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Phenolphthalein in dropping bottle |
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Pb(NO3)2, 0.1M |
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KI, 0.1M |
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H2SO4, 3M (attach test tube w/ pasteur pipet) |
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HNO3, 6M |
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stirring rid |
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150 ml beaker |
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100 ml graduated cylinder |
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ice |
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bunsen burner (small flame) |
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K2C2O4.H2O, solid |
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FeCI3, 40% (100 ml) |
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filter paper, circles |
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ice |
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hot plates |
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clean beaker |
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methanol, ice cold |
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large paper towel |
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watch glass |
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large test tube |
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cold tap water |
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beaker |
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glass plate |
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clamp for test tube |
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bunsen burner |
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ring stand |
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graduated cylinder |
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Solubility Cruve of Potassium Nitrate (AKA saltpeter): |
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copper wire bent into a circle at the bottom as a stirrer |
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slit rubber stopper |
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theromether |
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clamp |
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10 g KNO3 |
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test tube, 25 mm x 150 mm |
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5 ml distilled water |
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pepet 5 ml |
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bunsen burner |
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ice for ice bath |
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fruits: orange, lemon, tangerine, grapefruit, and /or lime juice |
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250 ml beaker |
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knife to cut fruits |
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buchner funnel |
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500 ml filter flask |
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400 ml beaker |
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5 ml pipet |
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1 ml pipet (optional) |
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100 ml volumetric flask preferred (graduate cylinder accepted) |
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phenolphthalein indicator in dropper bottle |
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standardized NaOH (sodium hydroxide) solution |
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buret, 50 ml |
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Acid-Base Properties of Chromium (III): |
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0.1 M Cr(NO3)3 |
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6 M NH3 in dropper bottle |
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6 M NaOH in dropper bottle |
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test tubes, small |
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Acid-Base Properties of Chromium (VI): |
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K2Cr2O7 for Cr(VI) soln. ~50 g |
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6 M NaOH or 3 M H2SO4 ~ 200 ml |
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test tubes, small |
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Reaction of Chromium (III) with hydrogen peroxide: |
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alkaline Cr(III) soln. (student prepared above) |
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3% H2O2 in dropper bottle |
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6 M HNO3 in dropper bottle |
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test tubes, small |
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Reaction of Chromium (VI) with Hydrogen Peroxide: |
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KwCr2O7 ~50 g |
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3 M H2SO4 |
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test tubes, small |
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Some Redox Reactions of Chromium (VI): |
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K2Cr2O7 ~ 50 g |
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3 M H2SO4 |
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FeSO4 ~ 50 g |
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Na2SO3 ~ 50 g |
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Zn |
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test tubes, small |
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Zinc Reduction of Chromium Salts: |
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Cr(VIII) soln |
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Cr(VI) soln |
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3 M H2SO4 |
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zinc, mossy or granulated or amalgam |
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glass wool or filter paper plug |
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hot plate |
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capillary pipets |
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test tubes |
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CuSO4 ~50 g |
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HgCl2 ~50 g |
WEB SITE PREPARED BY EUGENIA SOMERSALL-SELLO
AND
CHRISTA RICHARDSON (1998 UPWARD BOUND STUDENT)
IF YOU HAVE QUESTIONS OR COMMENTS, CONTACT LAB MANAGER