Chemistry: The Central SciencePrentice Hall, 1997 - 466 pagine A standard in the industry, this best-selling lab manual was written in conjunction with Brown/LeMay/Bursten's Chemistry: The Central Science, 7/e but can be used as a stand-alone lab manual. This edition has been updated to reflect environmental concerns. |
Dall'interno del libro
Risultati 1-3 di 49
Pagina 330
... precipitate for procedure G1-3 . Add 3 drops of 1 MK2CrO4 to the supernate . The formation of a yellow precipitate , PbCrO4 , confirms the presence of Pb2 + . G1-3 . Separation and Identification of Ag✶ and Hg , 2 Add 10 drops of 6 M ...
... precipitate for procedure G1-3 . Add 3 drops of 1 MK2CrO4 to the supernate . The formation of a yellow precipitate , PbCrO4 , confirms the presence of Pb2 + . G1-3 . Separation and Identification of Ag✶ and Hg , 2 Add 10 drops of 6 M ...
Pagina 334
... precipitate with a stir- ring rod before each centrifugation . Should the precipitate form a colloidal suspension , add 10 drops of 1 M NHC2H2O , and heat the suspension in the boiling water - bath . Discard the washings . Note ...
... precipitate with a stir- ring rod before each centrifugation . Should the precipitate form a colloidal suspension , add 10 drops of 1 M NHC2H2O , and heat the suspension in the boiling water - bath . Discard the washings . Note ...
Pagina 338
... precipitate , centrifuge , decant , and discard the precipitate . Add 5 drops of 2 M NH4Cl and stir ; add 15 M NH , dropwise with stirring , until the solution is just basic . Usually this requires only a few drops of the NH3 . Then add ...
... precipitate , centrifuge , decant , and discard the precipitate . Add 5 drops of 2 M NH4Cl and stir ; add 15 M NH , dropwise with stirring , until the solution is just basic . Usually this requires only a few drops of the NH3 . Then add ...
Parole e frasi comuni
acetic acid AgCl AgNO3 ammonium anions aqueous aspirin atoms Ba² base beaker beginning this experiment boiling bottle Bunsen burner buret reading calcium calorimeter carbonate cations cell centrifuge chloride color colorless compound concentration Date Laboratory Instructor decantate determine dissolved distilled water drops electrons Erlenmeyer flask evaporating dish example Fe3+ flame flame test formula glass H₂ H₂O H3O+ heat HNO3 hydrogen hydroxide insoluble ionic equation ions isomers KMnO4 liquid logarithm measure metal mixture mL of water mmol molar mass molarity molecular molecules NaCl NaOH naphthalene NH4+ Ni² number of moles oxalate oxide oxygen percent pipet potassium precipitate pressure Procedure react reaction reagent report sheet REVIEW QUESTIONS salt sample show calculations sodium sodium carbonate sodium hydroxide solid soluble solution solvent standard deviation stirring stopper substance sulfide sulfur sulfuric acid temperature test tube thermometer tion titration unknown volume wash weight yellow zinc