Pieces of calcium carbonate react with dilute hydrochloric acid, as shown. $\text{CaCO}_3 + 2\text{HCl} \rightarrow \text{CaCl}_2 + \text{H}_2\text{O} + \text{CO}_2$ Which change in the conditions would lower the rate of the reaction?
- Aincreasing the concentration of the acid
- Bincreasing the volume of the acid
- Cincreasing the size of the lumps of calcium carbonate
- Dincreasing the temperature