When dissolving sodium carbonate in excess of hydrochloric acid, 4.48 L of gas was released. The mass of sodium carbonate is

bystudin | May 28, 2020 | Education

We make up the reaction equation
NaCO3 + 2HCl = 2NaCl + H2O + CO2
the number of moles of sodium carbonate = the number of moles of carbon dioxide = 4.48 / 22.4 = 0.2 mol
mass of sodium carbonate = 0.2 * 106 = 21.2 g.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.