A Gas Mixture of N₂ and H₂ Has a Total

Multiple Choice

A gas mixture of N₂ and H₂ has a total pressure of 9.40 atm and contains 11.3 mol of gas.If the partial pressure of N₂ is 4.89 atm,how many moles of H₂ are in the mixture?

A) 4.51
B) 5.65
C) 5.42
D) 11.3
E) 5.88