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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?

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Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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