Find the volume of methane required to produce 37.5 g of formaldehyde.

In accordance with the condition of the problem, we write down the reaction equation:
СН4 + О2 = НСОН – the reaction of catalytic oxidation of methane, formaldehyde was obtained;
M (CH4) = 12 + 4 = 16 g / mol;
M (CH2O) = 12 + 2 + 16 = 30 g / mol;
Determine the amount of mol of formaldehyde:
Y (CH2O) = m / M = 37.5 / 30 = 1.25 mol;
Let’s make the proportion:
X mol (CH4) – 1.25 mol (CH2O);
-1 mol -1 mol hence, X mol (CH4) = 1 * 1.25 / 1 = 1.25 mol;
Find the volume of methane:
V (CH4) = 1.25 * 22.4 = 28 liters.
Answer: 28 liters of methane is needed to carry out the reaction.