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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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july july
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3 years ago
A 3.00-g sample of an alloy (containing only Pb and Sn) was dissolved in nitric acid (HNO3). Sulfuric acid was added to this solution, which precipitated 2.90 g 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)


▸ 34.0% Sn

▸ 0.956% Sn

▸ 96.7% Sn

▸ 66.0% Sn

▸ 1.98% Sn
Textbook 
Chemistry: An Atoms First Approach

Chemistry: An Atoms First Approach


Edition: 3rd
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HueyHardeyHueyHardey
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3 years ago
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july Author
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3 years ago
Good timing, thanks!
vanna2014
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Yesterday
Thank you, thank you, thank you!
Tim0301
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2 hours ago
Thanks for your help!!
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