Question

Zn(s) + 2HCl(aq) -> H2(g) + ZnCl2(aq)
When 25.0 g of Zn reacts, how many L of H2 gas are formed at STP?
A) 4.28 L
B) 0.0171 L
C) 8.56 L
D) 22.4 L
E) 0.382 L

Answer

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