Calcium carbonate + sulfuric acid - Calcium sulphate + Carbon Dioxide + Water CaCO3 (s)+ H2SO4 (aq)- CaSO4 (s)+ CO2 (g)+ H2O (l).Metal carbonates and acids reacting give a salt, carbon dioxide and water. The salt would be calcium sulfate (calcium from the metal carbonate canadian-pharmacyka.com buy viagra 50mg