general chem answer one question

1. A 100 mg sample of a purified compound is suspected to be tetraethyllead, C8H20Pb, a banned gasoline additive linked to brain damage. A percent composition experiment is run on the sample to test its identity. From the 100 mg sample, what mass of lead, Pb, in mg would support the hypothesis that the compound is tetraethyllead? Report the mass to three significant figures.

 

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