Chemistry WAEC

What volume will 0.5 g of H2 occupy at s.t.p? [H = 1; 1 mole of a gas occupy 22.4 dm3 at s.t.p]

A. 2.24 dm³
B. 5.60 dm³
C. 11.20 dm³
D. 44.80 dm³

Correct Answer: Option B

B. 5.60 dm³

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