A and B are ideal. The molecular weights of A and B are in the ratio of 1:4. The pressure of a gas mixture containing equal weights of A and B is P atm. What is the partial pressure (in atm) of B in the mixture?

A and B are ideal. The molecular weights of A and B are i

1.	A and B are ideal. The molecular weights of A and B are in the ratio of 1:4. The pressure of a gas mixture containing equal weights of A and B is P atm. What is the partial pressure (in atm) of B in the mixture?
A.	P/2.5
B.	P/2
C.	P/5
D.	3P/4
Answer» D. 3P/4