Question

1. Under water where the temperature is 17oC and the pressure is 394 kPa, a diver inhales 2.1 L of air from his SCUBA tank.
a) How many moles of gas are in his lungs?


b) If the diver swims to the surface without exhaling where the temperature is 32oC and the pressure changes to 100.2 kPa, what will the volume of the air in his lungs be?

I know that I should use pv=nRt, ok, I did and I still got the wrong answer. I got 34.73 mol and the answer should be 0.343 mol. The same thing goes for part b. I got 8.57 L when the answer should be 8.68 L

Answer 1

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