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CGP EDU Academic Team
Published on: August 14, 2026
At 300 K, a sample of 3.0 g of gas A occupies the same volume as 0.2 g of hydrogen at 200 K at the same pressure. The molar mass of gas A is____g mol -1 (nearest integer) Assume that the behaviour of gases as ideal. (Given: The molar mass of hydrogen (H 2 ) gas is 2.0 g mol -1 )
Text Solution
Verified by ExpertsThe correct answer is:
45
(45)
Given : Ideal gas A and H 2 gas at same pressure and volume.
From ideal gas equation pv = nRT
n 1 T 1 = n 2 T 2
GMM of A = 45 g/mole
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