Question

PLEASE CAN SOMEONE PLEASE HELP ME I CAN'T DO IT :(

CaCO3 + H2SO4 __________ + H2O + CO2


Na2CO3 + __________ 2NaCl + H2O + CO2

Answer 1

H2SO4 + CaCO3 → CaSO4 + H2O + CO2 - Balanced equation | Chemical Equations online!

Na2co3 HCL nacl h2o co2

This is an acid-base reaction (neutralization): Na 2CO 3 is a base, HCl is an acid. This is a gas evolution reaction, CO 2 is the formed gas.