The Carbon Dioxide Pressure in a Bottle of Champagne Is

The carbon dioxide pressure in a bottle of champagne is about 6 atm. At this pressure about 0.45 g of carbon dioxide dissolves in 100 mL of champagne. How much carbon dioxide remains dissolved in 100 mL after the bottle is opened? The partial pressure of carbon dioxide then is 6.0 *10^-4 atm.

A) 0.45 g
B) 3.8 *10^-3 g
C) 1.7 *10^-6 g
D) 9.0 * 10^-4 g
E) 4.5 *10^-5 g