When does 2+1=2? When calculating in moles, you sometimes have calculations that appear to defy basic math. The 13th video of 29 explains the pairing and combining of molecules and how to calculate their molecular masses. It also details how to solve for the number of moles in a specific mass.

Concepts

moles, avogadro's number, molecular mass

Show More Show Less

Additional Tags

science

Show More Show Less

Instructional Ideas

• Make a worksheet to accompany the video with many additional practice problems in order to determine which scholars need additional instruction

Classroom Considerations

• Requires prior knowledge of moles and Avogadro's number
• Assumes you are watching the videos in order and references prior and future videos

Pros

• Uses a solved example of each type of problem
• Includes cues for pausing the video in order to solve problems independently

Cons

• None