1. Chapter 10 “Chemical Quantities”
You will need a calculator for this chapter!

2. Section 10.1 p. 287 The Mole: A Measurement of Matter

3. How do we measure items?
You can measure mass,
volume,
or count pieces
We measure mass in grams
We measure volume in liters
We count pieces in MOLES

4. Other Ways to Measure Amount
Pair: 1 pair of socks = 2 socks
Dozen: 1 dozen donuts = 12 donuts
Gross: 1 gross of pencils = 144 pencils (12 dozen)
Ream: 1 ream of paper = 500 sheets of paper
Guided Practice Problem p. 289

5. Practice Problem #2 pg. 289
Assume 2.0 kg of apples is 1 dozen and that each apple has 8 seeds. How many apple seeds are in 14 kg of apples? (work INDEPENDENTLY to solve)