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Question

Question: The density of a gas at STP is 2.68g/L. The gas may be :...

The density of a gas at STP is 2.68g/L. The gas may be :

A

NO2

B

Kr

C

COS

D

SO2

Answer

COS

Explanation

Solution

P = dRTM\frac{dRT}{M} Ž M = dRTP\frac{dRT}{P}