msvgo
Expressing concentration of solutions
It describes the concentration of the solution in terms of mass percentage, volume percentage, parts per million and mole fraction.
American Chemical Society
Chemistry and the Flint Water Crisis - Speaking of Chemistry
Chemistry to the rescue! Viewers of an informative video in the ACS Reactions series see how chemistry provided the proof of lead pollution in Flint, Michigan. They learn that there is no actual law that limits the amount of lead in tap...
Sophia Learning
Sophia: Parts Per Million Calculations: Lesson 1
This lesson demonstrates how to calculate parts per million (ppm). It is 1 of 2 in the series titled "Parts per Million Calculations."