You can change relative amounts of recipe ingredients to make different amounts of food.  In the same way, you can change relative amounts of reactants or products in balanced equations.  See the text p.234-240.
Homework:  p.238 #5, 6; read example problem p.239-240 then answer p.240 #8, 9

The instructions for the experiment are on p.226-227.  For the Discussion of the lab report answer #1, 3, 4, 6-8 on p. 227.  The lab report is due on Friday.

We had our mole calculations quiz today.  If you were absent, you will write it when you come back.  The text reference for today's lesson is p.223-225.
Homework:  p.225 #23-25; p.228 #6; Read the experiment on p. 226-227 and make a hypothesis (see Prediction, p.226); the observation table should have a stir rod included in the masses.

We had a practice quiz today on mole calculations.  A copy is found on the unit 3 page of this site.  The text reference for today's work is p.207-218.
Homework:  p.209#10; p.211 #15, 16; p.214 #3; p.218 #17-19

We made cookies today.  There will be a practice quiz on Monday and a real quiz on Tuesday for mole calculations.  Look at the homework from April 7 for review questions. 
Homework:  Answer p.205-206 #3-6.

Read the text p.198-203.  Note the Law of Definite Proportions.  Answer p. 201 #1; p.204 #6.

Note the concept organizer on p.192.  Answer p.193-195 #13, 14, 16, 17, 21, 31.

Two steps are necessary to convert from particles to mass or from mass to particles.  Keep an extra digit in your calculations then round off to significant digits for the final answer.  Read p.189-191 for examples.
Homework:  Complete the cookie lab calculations and hand them in tomorrow.  Answer p.190-191 #35, 3