A sealed, rigid container contains three gases: 28.0 g of nitrogen, 40.0 g of argon, and 36.0 g of water vapor. If the total pressure exerted by the gases is 2.0 atm, what is the partial pressure of the nitrogen?
(A)0.33 atm (B)0.40 atm (C)0.50 atm (D)2.0 atm
C