The volume occupied by 0.4 g of hydrogen gas at s.t.p. is...
The volume occupied by 0.4 g of hydrogen gas at s.t.p. is [H = 1. 00; Molar volume at s.t.p. = 22.4 dm3]
2.24 dm3
4.48dm3
22.4dm3
44.8dm 3
Correct answer is B
2g of H2 = 22.4 dm3
0.4g of H2 = x,
x = 0.4×22.42 = 4.48dm3
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