Carbon dioxide was passed through 80 g of sodium hydroxide with a mass fraction of a solute of 10% until sodium carbonate was formed. Calculate the volume spent on the reaction of the gas.
Reaction of sodium hydroxide with carbon dioxide.
2NaOH + CO2 = Na2CO3 + H2O.
Determine the mass of alkali in the solution.
m (NaOH) = W (NaOH) • m (solution) / 100% = 10% • 80 g / 100% = 8 g.
If with n. at. (2 x 40) 80 g of NaOH and 22.4 l of CO2 enter into the reaction, then by the interaction of 8 g of NaOH and x l of CO2, we get.
x (CO2) = 22.4 l * 8 g / 80 g = 2.24 l.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.