1. The interaction of zinc with sulfuric acid proceeds according to the equation:
Zn + H2SO4 = ZnSO4 + H2 ↑;
2.Calculate the chemical amount of zinc:
n (Zn) = m (Zn): M (Zn) = 65: 65 = 1 mol;
3. according to the reaction equation, the amounts of zinc reacted and hydrogen evolved are related as 1: 1, therefore:
n (H2) = n (Zn) = 1 mol.
Answer: 1 mole.
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