Why The Aqueous Solution Of Na2co3 Is Alkaline In Nature?

Ionizing the sodium carbonate, carbonate hydrolysis and alkaline hydrolysis of sodium ions.

Ionic equation for the following:

Na2CO3 == 2Na + + CO3 2 -
CO3 2 - + H2O == HCO3-+ OH-
HCO3-+ H2O == H2CO3 + OH-.