a-gaseous-hydrocarbon-contains-79-85-carbon-and-20-15-hydrogen-by-mass-at-the-pr

Question

A gaseous hydrocarbon contains 79.85 % carbon and 20.15 % hydrogen by mass. At the pressure of 760 mmHg and temperature of 25 °C, a 256mL sample of the gas was measured to have a mass of 0.315 g. Identify the molecular formula of the compound.

Accepted Answer

$$C_{2}H$$_{6}

Answer

$$C_{8}H$$_{12}

Answer

$$C_{3}H$$_{6}

Answer

$$C_{6}H$$_{12}