How many liters of hydrogen will it take to make 32g of copper from copper oxide?

Copper oxide is reduced with hydrogen gas. During the reaction, metallic copper and water are synthesized. This reaction is described by the following equation:

CuO + H2 = Cu + H2O;

Cupric oxide reacts with hydrogen in equal molar amounts. At the same time, the same equal amounts of copper and water are synthesized.

Let’s find the chemical amount of copper.

To do this, divide the weight of the metal by the weight of 1 mole of metal.

M Cu = 64 grams / mol;

N Cu = 32/64 = 0.5 mol;

In the course of the reaction, 0.5 mol of copper oxide can be reduced to obtain 0.5 mol of copper.

Let’s calculate the mass and volume of 0.5 mol of hydrogen.

M H2 = 2 grams / mol;

m H2 = 2 x 0.5 = 1 gram;

V H2 = 0.5 x 22.4 = 11.2 liters;