This chemical equation is not balanced. The correct balanced equation for the formation of Na2CO3 from CaCO3 is:
CaCO3 + 2NaOH → Na2CO3 + Ca(OH)2
This chemical equation is not balanced. The correct balanced equation for the formation of Na2CO3 from CaCO3 is:
CaCO3 + 2NaOH → Na2CO3 + Ca(OH)2