Complete or balance the following reaction/equation. CuCO3+.......

For each reaction, complete and balance the equation and give the net ionic equation. a) KOH(aq)+...

CuCO3=CuO +CO2. Find the mass of 1mole of each substance taking part in the reaction. (Ar:Cu=64,C=1...

How do I do these? 1. Balance the equation for the reaction between zinc and hydrochloric acid....