The density of O₂ at NTP is 1.429g / litre. Calculate the standard molar volume of gas-
22.4 l
11.2 l
33.6 l
5.6 l
1.429 gm of O2 gas occupies volume = 1 litre.
32 gm of O2 gas occupies = = 22.4 litre/mol.
Calculate the mass in gm of 2g atom of Mg
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