What is the percent yield of the reaction below if 55.3 g of solid iodine (molar mass = 253.8 g/mol) react with an excess of hydrogen gas to produce 43.1 g (the actual yield) of hydrogen iodide gas (molar mass = 127.91 g/mol)?
H2 (g) + I2 (s) → 2HI (g)
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