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!

How many moles of sodium (Na) are there in 45.98 grams?

1 mol 22.99g

22.99g 1 mol

6.02 X 1023 atoms 1 mol

1 mol 6.02 X 1023 atoms

A B

C D

How many atoms are there in 2 moles of Br2?

1 mol 159.8g

6.02 X 1023 atoms 1 mol

159.8g 1 mol

1 mol 6.02 X 1023 atoms

A B

C D

How many grams are there in 1.204 X 1024 atoms of H2O2?

1 mol 34.04g

6.02 X 1023 atoms 1 mol

34.04g 1 mol

1 mol 6.02 X 1023 atoms

A B

C D

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

Homework Review   Place practice questions on desk!

Homework   Organize your binder!

  Start preparing for next week’s exam!