Determine the formula for the limiting hydrocarbon if: the relative density for hydrogen is 22.
| July 17, 2021 | education
The relative density of one gas over another is calculated as the ratio of their molar masses.
M (hydrogen) = 2 g / mol;
M (hydrocarbon) = 22 * 2 = 44 g / mol;
Let’s calculate the number of carbon atoms in a hydrocarbon molecule:
(44 – 2) / 14 = 3.
The desired hydrocarbon is C3H8 – propane.
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