A 15 L scuba tank for deep dives contains Trimix which is a mixture of nitrogen, oxygen and helium. This combination of gases allows the diver to dive at depths beyond 130 ft. The mixture contains 3.04 mol of N2, 1.25 mol of O2, and 1.51 mol of He at 27℃. What is the partial pressure of He?


A. 2.48 atm
B. 0.223 atm
C. 9.52 atm
D. 0.427 atm