Problem

The compound 2, 3-dimercaptopropanol (HSCH2CHSHCH2OH), commonly known as British Anti-Lewi...

The compound 2, 3-dimercaptopropanol (HSCH2CHSHCH2OH), commonly known as British Anti-Lewisite (BAL), was developed during World War I as an antidote to arsenic-containing poison gas. (a) If each BAL molecule binds one arsenic (As) atom, how many As atoms can be removed by 1.0 g of BAL? (b) BAL can also be used to remove poisonous heavy metals like mercury (Hg) and lead (Pb). If each BAL binds one Hg atom, calculate the mass percent of Hg in a BAL-Hg complex. (An H atom is removed when a BAL molecule binds an Hg atom.)

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