Explain what is the percent mercury

Reference no: EM13144931

analysis of mercury (200.59 g/mol) in the sample of mercuric ointment: A 4.286 g sample of a mercuric ointment is digested in nitric acid. After dilution, the Hg2+ is titrated with 28.70 mL of a 0.1196 M solution of NH4SCN. The titration involves the formation of a stable, neutral complex: Hg2+ (aq) + 2 SCN- (aq) = Hg(SCN)2 (aq) A)How many mmoles of mercury are in the sample? B) How many mg's of mercury are in the sample? C)What is the percent mercury (w/w) in the ointment?

Reference no: EM13144931

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