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An organic compound (C(x)H(2y)O(y)) was ...

An organic compound `(C_(x)H_(2y)O_(y))` was burnt with twice the amount of oxygen needed for complete combustion to `CO_(2)` and `H_(2)O`. The hot gases, when cooled to `0^(@)C` and `1 atm` pressure, measured `2.24 L`. The water collected during cooling weighed `0.9 g`. The vapour pressure of pure water at `20^(@)C` is `17.5 mm Hg` and is lowered by `0.104 mm` when `50 g` of the organic compound is dissolved in `1000 g` of water. Give the molecular formula of the organic compound.

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