The mass of a litre of dry air at N.T.P is 1.293 g. Find the mass of 3 litres of air at 117^(@) C and a pressure of 4 atmospheres ?

The mass of a litre of dry air at N.T.P is 1.293 g. Find the mass of 3

1.	The mass of a litre of dry air at N.T.P is 1.293 g. Find the mass of 3 litres of air at 117^(@) C and a pressure of 4 atmospheres ?
Answer» 10.86g 5.6 G 6.4 g 7.2 g ANSWER :A