molar mass of mg - Question How many moles of magnesium are...

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Question: How many moles of magnesium are consumed for every mole of hydrogen gas produced? Choose the closest answer.
Question: At the end of the reaction, the temperature was 21.5 °C (294.65 K) and the pressure was 1.00 atm in the gas syringe. The gas constant has a value of 0.08206 L atm K-1 mol-1. Use the gas volume recorded to determine the number of moles of hydrogen gas produced. Choose the closest answer.

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