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00g sample of an alloy containing only Pb and Sn was dissolved in nitric acid (HNO3). Sulfuric acid was added to this solution, which precipitated...

A 3.00g sample of an alloy containing only Pb and Sn was dissolved in nitric acid (HNO3). Sulfuric acid was added to this solution, which precipitated 2.93g of PbSO4. Assuming that all of the lead was precipitated, what is the percentage of Sn in the sample? (molar mass of PbSO4 = 303.3 g/mol)

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 2.93g of PbSO4 = mass / molar mass = 2.93 / 303.3 = 9.66 * 10^-3 mole. one mole Pb react... View the full answer

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