1. Start when the bell rings
WARM UP
Do ACT Prep
Passage 7 –
Phlogiston and Oxygen
5 minutes
Start when the bell rings

2. Molar Mass

3. Molar Mass
Mass, in grams of 1 mole of atoms (element) or 1 mole of molecules (compound)
Atomic/Molecular Mass (amu) = Molar Mass (g)
1 atom C = amu mole C = g
1 molecule glucose = amu mole glucose = g

4. Molar Mass Conversions
From amu or grams to moles
6.46 g He x mol He
g He
1.31 mol K x g K
mol K

5. WRAP UP
Convert 2.8 moles of H2 gas into grams of H2 gas.

6. Do ACT Prep ACT I 5 minutes Start when the bell rings
WARM UP
Do ACT Prep
ACT I
5 minutes
Start when the bell rings