When 100 mL of l.0M HCl is added to a 2.0 g piece of ${\mathrm{CaCO}}_3$, ${\mathrm{CO}}_{2 }$is produced at a certain rate. Which of the changes below will not increase the rate of this reaction?

 Adding 100 mL of 2.0 M HCl in place of 100 mL of 1.0 M HCl

Heating the 100 mL of 1.0 M HCl before adding it to the ${\mathrm{CaCO}}_3$

Adding 100 mL of 1.0 M HCl to 2.0 g of powdered ${\mathrm{CaCO}}_3$

Adding 150 mL of 1.0 M HCl in place of 100 mL ofl.0 M HCl