A Flask Contains a Mixture of He and Ne at a Total

A flask contains a mixture of He and Ne at a total pressure of 2.6 atm. There are 2.0 mol of He and 5.0 mol of Ne in the flask. The partial pressure of He is ________ atm.

A) 9.1
B) 6.5
C) 1.04
D) 0.74
E) 1.86