1.

The density of O2 at NTP is 1.429 g litre-1 . Calculate the standard molar volume of gas. 

Answer»

Standard molar volume of gas is its volume occupied by 1 mole at NTP.

1.429 g of O2 gas occupies volume 1 litre 

32 g of O2 gas occupies volume = 32/1.429 litre

= 22.39 litre mol-1



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