Question

You are trying to increase the rate at which you can dissolve a large amount of sodium chloride into water to make a solution to use in lab.

Which of the following would be the BEST method of doing this?

A. stir and heat the mixture and use small pieces of sodium chloride

B. heat the water and use a large piece of sodium chloride

C. stir and heat the mixture and use a large piece of sodium chloride

D. heat the water and use small pieces of sodium chloride

Answer 1

The answer would be “A. Stirring and heating the mixture”, this will increase the kinetic energy of the water molecules.