Trimix 10/50 is a gas mixture that contains 10% oxygen and 50% helium, and the rest is nitrogen.
A tank of Trimix 10/50 has a total pressure of 2.07 * 104 kPa.
What is the partial pressure of oxygen?
Question 1 options:
2.07 * 104 kPa
2.07 * 103 kPa
8.3 * 103 kPa
1.04 * 104 kPa