Lesson Details

Day 19: Quiz/Mole Intro

2015-2016

Chemistry

Date

Sept. 3, 2015

Additional Info
TODAY WE DID
1) Review for Quiz
2) TOOK QUIZ (if absent, see Ms. Day for Make Up)
3) Chalk Mole Activity

Chalk Mole Activity **Don't eat the chalk**

  1. Obtain a piece of chalk and carefully mass it to the nearest 0.01 g. _______________
  2. We will go outside as a class to the bus parking lot. You will write your favorite chemical compound formula on the pavement. (Vehicle Awareness Safety!)
  3. When the class returns, use the SAME balance to re-mass the chalk. _______________
  4. Calculate the number of moles it took to write your compound following these steps.

Chalk is calcium carbonate (CaCO3).

How many grams did it take to write your compound? _______________

How many moles did it take to write your compound? _______________