When sodium carbonate dissolves in water, the carbonate ion, CO32-, acts as a base. Write a balanced equation for the reaction of the carbonate ion with water.
a) CO3²- H2O → HCO3⁻ OH⁻
b) CO3²- H2O → HCO3⁻ H3O⁺
c) CO3²- H2O → CO2 OH⁻
d) CO3²- H2O → CO2 H3O⁺
