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A welder using a tank of volume 1.1x10-2m3 fills it with oxygen (with a molar mass of 32.0g/mol ) at an absolute pressure of 1.1x10'Pa

A welder using a tank of volume 1.1x10-2m3 fills it with oxygen (with a molar mass of 32.0g/mol ) at an absolute pressure of 1.1x10'Pa and temperature of 37.0 C. Find the initial mass of oxygen. R=8.315m3Pak-1mol-1. The answer's unit is g

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