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11-04-2018
Chemistry

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Mg + 2HCl --> MgCl2 + H2

Find the mass in grams of hydrogen gas produced when 14.0 moles of HCl is added to an excess amount of magnesium.

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11-04-2018

When 14mol of HCl reacts, 7mol of H2 gas is produced. H2 = 2g/mol
So, 7mol H2 = 14g

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