Question

1).
1.12 litre of a substance weighs 5.4 g .find its molecular mass​

Answer 1

Answer:

Hii your answer is

Correct option is :-

56.0 g/mol

Explanation:

Molar mass is the mass of 1 mole of the gas.

At STP, 1 mole of a gas occupies a volume of 22.4 L.

5.00 liters of the gas at STP have a mass of 12.5 grams.

22.4 liters of the gas at STP have a mass of 12.5×

5.00

22.4

=56.0 grams. This is the molar mass of the gas.

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