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A sample of bismuth weighing 0.687 g was converted to bismuth chloride by reacting it first with HNO, and then with HCI, followed by

A sample of bismuth weighing 0.687 g was converted to bismuth chloride by reacting it first with HNO, and then with HCI, followed by careful evaporation to dryness. The mass of the bismuth chloride obtained was 1.032 g (a) What is the empirical formula of bismuth chloride? (b) What is the theoretical percent of Bi in the bismuth chloride, based on this formula? (c) What is the percent error in the above experimental determination?

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