What mass of salt is formed by the interaction of a solution of potassium hydroxide and carbon

What mass of salt is formed by the interaction of a solution of potassium hydroxide and carbon dioxide with a volume of 4.48 liters?

Let’s execute the solution:

According to the condition of the problem, we write down the process equation:
V = 4.48 L X g -?

2KOH + CO2 = K2CO3 + H2O – ion exchange, obtained potassium carbonate;

Calculations:
M (CO2) = 44 g / mol;

M (K2CO3) = 138.2 g / mol.

Proportion:
1 mol of gas at normal level – 22.4 liters;

X mol (CO2) 4.48 L hence, X mol (CO2) = 1 * 4.48 / 22.4 = 0.2 mol;

Y (K2CO3) = 0.2 mol since the amount of substances is equal to 1 mol.

Find the mass of salt:
m (K2CO3) = Y * M = 0.2 * 138.2 = 27.64 g

Answer: The mass of potassium carbonate is 27.64 g