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A 0.660 g sample of a mixture containing only NaBr and CaBr, is dissolved in water. An excess of an aqueous solution of Pb(NO₂), is added. The PbBr, that forms is filtered, dried, and weighed. The mass of PbBr, is found to be 1.20 g. What is the mass of Br ions in the sample?

A 0.660 g sample of a mixture containing only NaBr and CaBr, is dissolved in water. An excess of an aqueous solution of Pb(NO₂), is added. The PbBr, that forms is filtered, dried, and weighed. The mass of PbBr, is found to be 1.20 g. What is the mass of Br ions in the sample?

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter19: Transition Metals And Coordination Chemistry
Section: Chapter Questions
Problem 14E: A 2.5624-g sample of a pure solid alkali metal chloride is dissolved in water and treated with...
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A 0.660 g sample of a mixture containing only NaBr and CaBr, is dissolved in water. An excess of an aqueous solution of Pb(NO₂), is added. The PbBr, that forms is filtered, dried, and weighed. The mass of PbBr, is found to be 1.20 g. What is the mass of Br ions in the sample? mass of Br ions: What is the mass percent of Br ions in the original sample? mass percent Br What is the percent composition by mass of NaBr and CaBr, in the sample? mass percent NaBr g
Transcribed Image Text:A 0.660 g sample of a mixture containing only NaBr and CaBr, is dissolved in water. An excess of an aqueous solution of Pb(NO₂), is added. The PbBr, that forms is filtered, dried, and weighed. The mass of PbBr, is found to be 1.20 g. What is the mass of Br ions in the sample? mass of Br ions: What is the mass percent of Br ions in the original sample? mass percent Br What is the percent composition by mass of NaBr and CaBr, in the sample? mass percent NaBr g
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