Answer:
12.5 atm.
Step-by-step explanation:
- The total pressure of a mixture of gases can be defined as the sum of the pressures of each individual gas:
Ptotal = P1 + P2 + … + Pn.
∴ Ptotal = P of gas 1 + P of gas 2 + P of gas 3 + P of gas 4 + P of gas 5.
∴ Ptotal = 5(2.5 atm) = 12.5 atm.