The document provides instructions for a chemistry class. It tells students to take their seats, take out their homework, binders, and writing utensils. The objective for the class is to demonstrate mastery of chemistry standards 3a through 3e on a practice exam. Students are assigned to organize their binders for homework.

1. Launch: 12/11
 Grab your binder and immediately take a seat!
 Place homework (practice questions), binder paper, and
a pen/pencil on your desk.
Today’s Objective: I can demonstrate mastery of
Chemistry Standards 3a.-e. on a practice exam.
Tonight’s HW: Organize your binder!

2. How many moles of sodium (Na) are there in 45.98
grams?
1 mol 22.99g
22.99g 1 mol
A B
C D
6.02 X 1023 atoms 1 mol
1 mol 6.02 X 1023 atoms

3. How many atoms are there in 2 moles of Br2?
1 mol 1 mol
159.8g 6.02 X 1023 atoms
A B
C D
6.02 X 1023 atoms 159.8g
1 mol 1 mol

4. How many grams are there in 1.204 X 1024 atoms
of H2O2?
1 mol 1 mol
34.04g 6.02 X 1023 atoms
A B
C D
6.02 X 1023 atoms 34.04g
1 mol 1 mol

5. Announcements
 Binder check!
 Unit exam on Thursday of next week (12/17)
 A blank on you grade printout means it is missing!
 Make-up work must be in by Wednesday of next week

6. Homework Review
 Place practice questions on desk!

7. Homework
 Organize your binder!
 Start preparing for next week’s exam!