Determine the mass of formic acid, which is formed by the interaction of 1.5 mol of formaldehyde, copper hydroxide (2).

univerkov | April 4, 2021 | education

НСОН + 2Cu (OH) 2 → HCOOH + 2CuOH ↓ + H2O.

There is 1 mol of HCOOH for 1 mol of HCHO. Substances are in quantitative ratios 1: 1.

n (HCOOH) = n (HCOH) = 1.5 mol.

Let’s find the mass НСООН.

M (HCOOH) = 46 g / mol.

m = nM.

m = 1.5 mol × 46 g / mol = 69 g.

Answer: 69 g.

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