The solubility of a gas in water at 300 K under a pressure of 100 atmospheres is 4 x 10-3 kg L-1. Therefore, the mass of the gas dissolved in lL solution under pressure of 250 atmospheres at 300 K is
a) 2.5 x 10-3 kg
b) 2.0 x 10-3 kg
c) 1.25 x 10-3 kg
d) 5.0 x 10-3 kg
