Question

4.4 gm of an unknown gas occupies 2.24 litre of

volume of STP. The gas may be

a. Carbon dioxide b. Carbon monoxide

c. Oxygen d. Sulphur dioxide​

Answer 1

Answer:

At STP 22.4L of any gas (assuming its ideal nature)≡ 1g-molecular i.e. 1mole of that gas

here 2.24 L of volume at STP ≡ 4.4g

∴ 22.4L of volume at STP ≡ 44g

So, molecular mass of the gas is 44g/mol

The gas may be CO2, C3H8(Propane)

hence, option (a) is correct

Explanation:

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