The van der Waal's constant 'b' for water vapour is 0.03 litre mol^(-1). The radius of water vapour molecule is :

The van der Waal's constant 'b' for water vapour is 0.03 litre mol^(-1

1.	The van der Waal's constant 'b' for water vapour is 0.03 litre mol^(-1). The radius of water vapour molecule is :
Answer» `1448 CM` `1.448Ã…` `1.448 "PM"` `1.448 NM` ANSWER :B