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1. How many liters of H2 gas can be genterated via reaction of 0.545 g Mg...

1. How many liters of H2 gas can be genterated via reaction of 0.545 g Mg with excess HCl at 23 degrees C, and 735 mm Hg?

Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g)

2. A gas sample with a mass of 0.625g occupies a volume of 0.547 L at a temperature of 298K and a pressure of 758 mm Hg. What is the molar mass of the gas? The idenity of the gas is likely to be.... ?

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