# An organic compund was found to contain 40% carbon, 6.66% hydrogen. finds its emperical formula

 Element Atomic mass Percentage Atomic ratio Simplest ratio Carbon 12 40.0 $\frac{3.33}{3.33}=1$ Hydrogen 1 6.66 $\frac{6.66}{1}=6.66$ $\frac{6.66}{3.33}=2$ Oxygen 16 53.34 $\frac{3.33}{3.33}=1$

Empirical formula is CH2O

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