This video is about the AP Chemistry Laboratory – Experiment #19:
Effect of Concentration on the Rate of a Chemical Reaction.
In this video you will learn how to determine the initial rate of a reaction by monitoring the amount of a product produced. In this case will be the hydrogen produced from the reaction between magnesium and hydrochloric acid.
Moreover, you will be able to study the effect of concentration on the reaction rate.
Dr. Hayek,
I’m confused on how to make molar solutions. Basically I don’t know how much water to add to make a molar solution. For example in the video you said that to make a .18 molar solution of HCl, you have to take 27 ml of HCl and 3 ml of H20. How did you mathematically find that?
I’ll appreciate your help!
-Arnold Langat