Tuesday 14 September 2010

STOICHIOMETRIC PROBLEM

Magnesium reaction can you solve it?

12g of Magnesium reacts with an excess off dilute sulfuric acid. Calculate the volume of gas produced at 25 degrees celcius and 100kPa.

by joeyeehu...

Best Answer - Chosen by Voters

Mg + H2SO4 -----------> MgSO4 + H2

24g of Mg will produce 1 mol of H2

12g of Mg will produce 0.5 mol of H2

Applying ideal gas law,

PV = nRTV = (0.5 x 8.31 x 298 ) / 100 x 1000... = 1.24 x 10^-2 m3

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