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 22
Pagina 422
... end point very slow and difficult to detect . 3 13- + starch starch · I , ( complex ) blue - black [ 3 ] Adding Equations 1 and 2 yields Equation 4 that shows for every mole of HOCl ( aq ) + 2S2O32 ̄ ( aq ) + H + → Cl ( aq ) + SO2 ( aq ) ...
... end point very slow and difficult to detect . 3 13- + starch starch · I , ( complex ) blue - black [ 3 ] Adding Equations 1 and 2 yields Equation 4 that shows for every mole of HOCl ( aq ) + 2S2O32 ̄ ( aq ) + H + → Cl ( aq ) + SO2 ( aq ) ...
Pagina 424
... end point is generally a drop or two away . The end point is the transition from a blue to a colorless solution . Record the final buret reading . Repeat the titration two more times . Calcu- late the molarity of the Na2S2O , for the ...
... end point is generally a drop or two away . The end point is the transition from a blue to a colorless solution . Record the final buret reading . Repeat the titration two more times . Calcu- late the molarity of the Na2S2O , for the ...
Pagina A-39
... point is the point in a titration at which stoichiometri- cally equivalent amounts of the two reactants are brought together . An end point is the point in a titration where some indicator ( such as a dye or electrode ) undergoes a ...
... point is the point in a titration at which stoichiometri- cally equivalent amounts of the two reactants are brought together . An end point is the point in a titration where some indicator ( such as a dye or electrode ) undergoes a ...
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