23. Indirect analysis. A 0.6200-g sample that contains NaCl, NaBr, and impurities gives aprecipitate of AgCl and AgBr that weighs 0.5120 g. Another 0.6200-g sample is titratedwith 0.1070 M AGNO3, requiring 28.10 mL. Calculate the percentages of NaCl and NaBr inthe sample.

Answered: 3. Indirect analysis. A 0.6200-g sample…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter11: Solutions

Section: Chapter Questions

Problem 26P

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Similar questions

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2.413 g sample contains Na2CO3, NaHCO3 and inert material. This sample was solved in water and diluted to 250.0 ml. 80 ml solution was taken and titrated with 0.09644 N HCl with the indicator of phenolftalein. 6.13 ml HCl was consumed. From a second solution, again 80 ml was taken and titrated with the same HCl solution with the indicator of methylorange. 15.4 ml HCl was consumed. Calculate the percentage of NaHCO3 and Na2CO3in sample (Na2CO3=106.0 g/mol, NaHCO3=84.02 g/mol).

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3. Indirect analysis. A 0.6200-g sample that contains NaCl, NaBr, and impurities gives a precipitate of AgCl and AgBr that weighs 0.5120 g. Another 0.6200-g sample is titrated with 0.1070 M AgNO3, requiring 28.10 mL. Calculate the percentages of NaCl and NaBr the sample.