text: Na2CO3 + 2H2O --> 2NaOH + H2CO3\n\nNaOH is soluble in water, so 2 moles of OH- will form.\nH2CO3 is a weak acid that does not dissociate fully in water, so there will be fewer than 2 moles of H+ present.\n\nAs there is more OH-, the solution will be basic.