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