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*[[Ethane]] - [[Chemical Formula]] C<sub>2</sub>H<sub>6</sub>, '''Empirical Formula''' CH<sub>3</sub>
*[[Ethene]] - [[Chemical Formula]] C<sub>2</sub>H<sub>4</sub>, '''Empirical Formula''' CH<sub>2</sub>
*[[Propene]] - [[Chemical Formula]] C<sub>3</sub>H<sub>6</sub>, '''Empirical Formula''' CH<sub>2</sub> *[[Glucose]] - [[Chemical Formula]] C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>, '''Empirical Formula''' CH<sub>2</sub>O*[[Lactic Acid]] - [[Chemical Formula]] C<sub>3</sub>H<sub>6</sub>O<sub>3</sub>, '''Empirical Formula''' CH<sub>2</sub>O
: '''Empirical formulae''' are calculated from the amount of [[atom]]s in a [[Chemical Reaction|chemical reaction]].
: The number of [[atom]]s can be found if you know the [[mass]] of different [[element]]s and the [[Relative Atomic Mass|relative atomic mass]] of the [[element]]s in the [[Chemical Reaction|reaction]].