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an evacuated flask has a mass of 90.050 grams when filled with gas at STP the plus 2 is 19.121 grams if the volume of the flask was 22.2 centimetres cubed calculate the relative molecular mass of gas-x and suggest is identity
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Aug 13, 2023
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Chemistry Form 3
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0715220XXX
an evacuated flask has a mass of 90.050 grams when filled with gas at STP the plus 2 is 19.121 grams if the volume of the flask was 22.2 centimetres cubed calculate the relative molecular mass of gas-x and suggest is identity
the mole: formulae and chemical equations
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