The director of the university laboratory left unexpectedly due to an emergency in Friday. When he returned on Monday, he discovered that he had left a container of a
liter of aqueous solution of pure NaOH with initial concentration c0 = 0.1 M. Being in
In contact with air, the solution has absorbed atmospheric carbon dioxide CO2 (g).
Data: H2CO3: pKa1 = 6.37; pKa2 = 10.25. T = 22 ° C; P = 1 atm.
I) Write the balanced chemical equation of (1) the formation of carbonic acid and (2) the
sodium hydroxide neutralization.