Determine the formula of an ethylene hydrocarbon if its molar mass is 56 g / mol.
| December 8, 2020 | education
ethylene hydrocarbons has the formula: CnH2n
The relative molecular weight of carbon 12, hydrogen 1 means
12 * n + 1 * 2n = 56
12n + 2n = 56
14n = 56
n = 4, that is, 4 carbon atoms, and twice as much hydrogen, that is, 8
so the formula:
C4H8
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