Tues., Dec. 2nd: Calculating numbers of particles.

BIG IDEA: If you know the moles, you can calculate the number of molecules or atoms in a particular sample of a substance.

1. Warm-up: Balance an equation, and find # molecules in a given mass of a substance.
2. Review Quiz #10.
3. Begin Notes #14.
4. Practice with determining number of molecules.
5. Show work on board.

Homework: 1. Remind them of 5 M--> g and 5 g --> M problems due, and Trial 1 of QP due.
2. Worksheet (long one).