# 1. Calculate the mass of magnesium that is required to produce 27.8 mL of hydrogengas at 26 °C and a total pressure of 735 mmHg when collected over wateraccording to the following reaction. Use the table of vapor pressures of watergiven in the lab procedure to correct for the water vapor.Mg (s) + 2 HCI (aq) MgCl2 (aq) + H2 (g)Balance the following equation and calculate the volume of hydrogen gasproduced from the reaction of 0.425 g of aluminum when completely reacted withexcess hydrochloric acid. The gas was collected over water at 28 °C and a totalressure of 745 torr.Al (s) +HCl (aq)AlCls (aq) +H2 (g)

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Step 1

Given information,

Volume of hydrogen gas is 27.8 mL.

Temperature is 26 degree Celsius and pressure is 735 mmHg.

Step 2

Calculate the number of m...

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