Problem: The reaction of chlorine gas with solid phosphorus produces solid phosphorus pentachloride. How many grams of PCl5 are produced from 3.5 g of Cl 2?5Cl2(g) + 2P(s) → 2PCl(s)

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MM of Cl2 and PCl5 is 70.9 g/mol and 208.2 g/mol

g PCl5 = 3.5 g Cl2 1 mol Cl270.9 g Cl22 mol PCl55 mol Cl2208.2 g PCl51 mol PCl5

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The reaction of chlorine gas with solid phosphorus produces solid phosphorus pentachloride. How many grams of PCl5 are produced from 3.5 g of Cl 2?

5Cl2(g) + 2P(s) → 2PCl(s)

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