Hydrochloric acid reacts with calcium carbonate, or chalk.

Which would result in the slowest reaction rate?

A. using a weak hydrochloric acid solution and whole pieces of chalk

B. using a strong hydrochloric acid solution and crushed pieces of chalk

C. using a strong hydrochloric acid solution and pieces of chalk that were broken in half

D. using a weak hydrochloric acid solution and pieces of chalk that were broken in fourths

Question

Physics

Guest

22 February, 16:19

Hydrochloric acid reacts with calcium carbonate, or chalk.

Which would result in the slowest reaction rate?

A. using a weak hydrochloric acid solution and whole pieces of chalk

B. using a strong hydrochloric acid solution and crushed pieces of chalk

C. using a strong hydrochloric acid solution and pieces of chalk that were broken in half

D. using a weak hydrochloric acid solution and pieces of chalk that were broken in fourths

+3

Answers (2)

Know the Answer?

Michael Bush · Answer 1

A. using a weak hydrochloric acid solution and whole pieces of chalk

Explanation:

The higher the concentration, and the greater the surface area, the faster the reaction.

Therefore, a weak acid with whole pieces of chalk is going to have the slowest rate.

Larry · Answer 2

A. using a weak hydrochloric acid solution and whole pieces of chalk