The theoretical yield of H₂ gas at STP from the reaction of 1 mole of Zn with excess HCl (Zn + 2HCl → ZnCl₂ + H₂) is:

A. 11.2 dm³

B. 22.4 dm³

✓

C. 2 dm³

D. 1 dm³

📖 Additional Information

11.2 dm³
22.4 dm³
2 dm³
1 dm³

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