The alkane has a vapor density in air of 2.97. Determine the alkane formula.
| May 25, 2021 | education
M (СnH2n + 2) = 29g / mol * 2.97 = 86g / mol.
Substitute the resulting value into the formula, then:
12n + 2n + 2 = 86
14n + 2 = 86
14n = 86-2
14n = 84
n = 84/14
n = 6
Therefore, the molecular formula of the substance is: C6H14
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