Answer to Question #72261 in General Chemistry for pat lee

Question #72261

what volume of hydrogen at r.t.p is produced if 6g of magnesium reacts with an excess of the acid?

Expert's answer

Mg + 2H+ = Mg2+ + H2
M(Mg) = 24g/mol
1 mol (H2) = 22.4 L
V(H2) = 6*22.4/24 = 5.6 L

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