UCR A4 Video Clip 1: Video group clarifies what a formula unit is

UCR A4 Video Clip 1: Video group clarifies what a formula unit is

Haley explains to the other two students what a formula unit is.

UCR A4 Video Clip 2: Students discuss hydrogen, oxygen, and water molecules question

UCR A4 Video Clip 2: Students discuss hydrogen, oxygen, and water molecules question

Several students in class gather around a whiteboard that shows what happens when 10 molecules of hydrogen react with 10 molecules of oxygen. The question asks how many molecules of water will be produced. There is a lot of confusion about how to think about the question.