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One gram of an alloy of aluminium and ma...

One gram of an alloy of aluminium and magnesium when heated with excess of dil. HCL forms magnesium chloride, aluminium chloride, and hydrogen. The evolved hydrogen collected at `0^(@)`C has a volume of 1.12 litres at 1 atm pressure. Calculate the composition of (% by mass) of the alloy.

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One gram of an alloy of aluminium and magnesium when heated with excess of dil. HCI forms magnesium chloride, aluminium chloride and hydrogen. The evolved hydrogen collected over mercury at 0^(0)C has a volume of 1.2 litre at 0.92 atm pressure. Calculate the composition of the alloy.

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