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A compound gave the following data: C ...

A compound gave the following data:
`C = 57.82%,0 = 38.58% ` and the rest hydrogen. Its relative molecular mass is 166. Find its empirical formula and molecular formula.
`[C = 12,0 = 16, H = 1]`

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`"Empirical formula" = C_(4)H_(3)O_(2)`
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