Mg2 + 2HCI(aq) → MgCI2(g) + H2(g) From the equation above what mass of hydrogen would be produced if 12.0 g of magnesium reacted completely with dilute hydrochloric acid? (H = 1, Mg = 24)
A 1.0g
B 2.0g
C 6.0g
D 12.0g
Answer is D
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