Question

help guys!!! Air is a mixture of 78% nitrogen, 21% oxygen and 1% other gases. The pressure of air is 1.013 x 105 Pa. What then, is the pressure of nitrogen in the air?

Question 2 options:

2.12 x 104


7.9 x 105


1.01 x 103


7.9 x 104

Answer 1

7.9 ×10^4 is the answer, mate!

thanks!