The Henry's Law Constant for the Solubility of Nitrogen in Water

The Henry's law constant for the solubility of nitrogen in water is 6.4 × 10−⁴ M/atm at 25°C.At 0.75 atm of N₂,what mass of N₂(g) dissolves in 1.0 L of water at 25°C?

A) 4.8 × 10−⁴ g
B) 8.5 × 10−⁴ g
C) 4.5 × 10−³ g
D) 1.3 × 10−² g
E) 2.4 × 10−² g