Chemistry

Problem

A rigid 2.50 L vessel contains 0.300 mol N₂ and 0.200 mol O₂ at 400 K. What is the partial pressure of O₂ in the vessel? a)

6.56\ \text{atm}

2.63\ \text{atm}

3.94\ \text{atm}

1.31\ \text{atm}