Question

CaCl2(aq)+ NaHCO3(aq) =CO2(g)+ CaCO3(aq)+ NaCl(aq) +H2O(l)

could some one explain to me how to balance the equation?
please

Answer 1

two C on the right, so add a two on the left

CaCl2 + 2 NaHCO3 -->
... CO2 + CaCO3 + 2 NaCL + H2O

add a two on the right to balance Na

Answer 2

thank you