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On heating 5.0g of a fresh sample of X to a constant mass,1.80g was lost...

On heating 5.0g of a fresh sample of X to a constant mass,1.80g was lost in the form of water vapour. Calculate the number of molecules of X (H=1,O=16,Anhydrous form of X=160gmol^-1?
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Asked by Olasunbo on 4th June, 2022
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