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on 9 of 10 A02698 g sample of a mixture containing only NaBr and Car, is dissolved in water. An excess of an aqueous solution of Pb(NO), is added. The PbBr, that forms is filtered, dried, and weighed. The mass of PbBr, is found to be 128g. What is the mass of Br" ions in the sample? mass of Brions: What is the mass percent of Brions in the original sample? 5 mass percent Br What is the percent composition by mass of NaBr and Cabr, in the sample mans percent Nar:

What is the mass percent of Brions in the original sample! mass percent B 18 What is the percent composition by mass of Nal and Cabr, in the sample mass percent Nabe mas percent Call