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pls help me its giving me tough time. A compound Y containg C, H and...

pls help me its giving me tough time.
A compound Y containg C, H and O only was burnt in a strem of pure oxygen.The carbon(iv)oxide and water produced were collected in pure weighed reading obtained are initial mass of Y=20.63mg mass of CO2 product=57.94mg mass of water=11.85mg.What is the emperical fomular of the compound Y? [H=1? C=12, O=16].?

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