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A welder using a tank of volume 7.40×10−2 m3 fills it with oxygen (with a molar...

A welder using a tank of volume 7.40×10−2 m3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 2.85×105 Pa and temperature of 37.6 ∘C. The tank has a small leak, and in time some of the oxygen leaks out. On a day when the temperature is 22.3 ∘C, the gauge pressure of the oxygen in the tank is 2.00×105 Pa . A. Find the initial mass of oxygen. B. Find the mass of oxygen that has leaked out.

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Answer #1

Concept:- we use ideal gas equation here to find the mass of oxygen in the tank, gaung P - 101325 Pa the atmosphe vie 3. 01Xio^ Pa mass leak - 2*32 63 63

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