Question

K2CO3+HCL complete and balance

Answer 1

K2CO3 + 2HCl - 2KCl + CO2 + H2O

Answer 2

Metal Carbonate + Acid gives Metal Salt + H2O + CO2

K is Potassium, a metal.

So,

K2CO3 + 2HCl gives 2KCl + H2O +CO2

This is the Balanced equation.