Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 4 - Types of Chemical Reactions and Solution Stoichiometry - Review Questions: 5

Answer

Dilution is a process of creating solutions of the desired concentration by adding $H_2O$ to another more concentrated solution. The amount of solute remains constant. The equation $M_1V_1=M_2V_2$ is true because the amount of solute is the same before and after dilution.

Work Step by Step

To create a solution of desired concentration, we begin with a more concentrated solution. We then add water to lower the concentration of the solution until we reach our desired concentration hence the process of dilution. The amount of solute remains constant through the process of dilution as we are adding water and not solute into the solution. The equation $M_1V_1=M_2V_2$ is true because each side evaluates to the amount of solute in the solution before and after dilution. However, the amount of solute is constant as we are adding water and not solute to the solution during the process of dilution. Therefore, both sides are equivalent.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.