Chemistry

7 June, 05:10

For the equation CaCO3 (s) + 2HCl (aq) → CaCl2 (s) + H2 (aq) + H2O (l), 100.00 g of CaCO3 pellets are combined with 250 mL of HCl of a 2.0 M solution. Which of the following will increase the rate of the chemical reaction?

A. Add heat to the reaction.

B. Increase the concentration of HCl to 3.0 M.

C. Crush the CaCO3 into powder.

D. All of the Above

E. None of the Above

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