The Henry's Law Constant (K) for Carbon Monoxide in Water $\degree$

The Henry's Law constant (k) for carbon monoxide in water at 25 $\degree$ C is 9.71 *10^¯4 mol/(L·atm) . How many grams of CO will dissolve in 1.00 L of water if the partial pressure of CO is 2.75 atm?

A) 3.53 *10^¯4 g
B) 2.67 * 10^¯3 g
C) 9.89 *10^¯3 g
D) 7.48 * 10^¯2 g
E) None of these choices is correct.