Question

The density of gas A is twice that to B at the same temperature the molecular weight of gas B is
twice that of A. The ratio of pressure of gas A and B will be:
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Answer 1

Answer:

4 : 1

Explanation:

PM=ρRT

P₁M₁/ρ₁ = P₂M₂/ρ₂

P₁/2 = P₂2

P₁/P₂=4