How to calculate the value of r the vapor pressure

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In an experiment 112 mL hydrogen gas was collected over water with 0.132 g magnesium and 75 mL of 6 M HCl at 21.0 degrees Celsius. Atmospheric pressure was 744.6 mmHg. Calculate the value of R from this experiment. The vapor pressure of water at 21 degrees Celsius is 18.7 mmHg.

Reference no: EM13521964

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