Chemistry, 20.09.2020 04:01 neilaamusic6966

A flask with a tap has volume 200cm^3 When full of air, the flask has a mass of 30.98g
The flask is connected to a vacuum pump, the air is pumped out and then the tap is closed. The flask now has a mass if 30.72g

Calculate the mass of the air in the flask before connecting to the vacuum pump, in grams.

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A flask with a tap has volume 200cm^3 When full of air, the flask has a mass of 30.98g
The fla...

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