Determine the mass in grams of 5.6L methane (CH4) under normal conditions.
| August 7, 2021 | education
Knowing that 1 mole of any gas under normal conditions occupies a volume
22.4 liters, we calculate the number of moles of 5.6 liters of methane.
n (CH4) = V / Vm = 5.6 / 22.4 = 0.25 mol.
The mass of a substance is defined as the product of the molar mass by the amount of the substance:
m = n. M.
m (CH4) = 0.25 * 16 = 4 g.
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