12g of Mg (at. mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at STP would be [CPMT 1978]

Question: 12g of Mg (at. mass 24) on reacting completely with acid gives hydrogen gas, the volume of which at STP would be [CPMT 1978]

(a) 22.4 L

(b) 11.2 L

(c) 44.8 L

(d) 6.1 L

Correct Answer: (b) 11.2 L

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