Mr. Andersen describes solutions. He also shows how to differentiate a solution from a colloid and a suspension. He explains the concept of molarity and solves a few molarity problems.
Solutions and Molarity
Grade Level Grades 6-12
The Paul Anderson videos are wonderful! However, the general classification that all of them are suitable for 6th grade - high school should be changed. The math in this video goes beyond the academic scope that is suitable for 8th graders.