1. 6.2 Liters and Mass Conversions Obj 1 e&f
Chemistry

2. Essential Questions
How do you convert from moles to grams and grams to moles?
How do you go from moles to liters and liters to moles?

3. Molar Mass
Molar mass is used to go from moles to grams and grams to moles.
1 mole = molar mass
Grams to moles
Moles to grams
1 mol substance_______
molar mass of substance
molar mass of substance
1 mol substance

4. Molar Mass (cont) 54.1 g H2O 16 g O2 5.87 mol NH3
Find the mass of 3.00 moles of H2O
Find the mass of .50 mole of O2
Find the number of moles for 100 g NH3
54.1 g H2O
16 g O2
5.87
mol NH3

5. Molar Mass (cont) Find the number of moles for 20. g Cl2
Find the mass of moles of Ca(NO3)2
Find the number of moles for 55.0 g of Fe(OH)3

6. Moles and Gases
For gasses 1 mol = 22.4 L at STP (Standard Temperature and Pressure)
L to mol
Mol to L
1 mol substance_
22.4 L substance
22.4 L substance
1 mol substance

7. Moles and Gases (cont)
If there are 20 L of H2 gas how many moles of H2 are there?
0.892 mol H2
If there are 5.31 mol of NO2 how many liters of NO2 would there be?
119 L of NO2

8. Moles and Gases (cont) Find the number of mol for 543 L of CF2Cl2
Find the L for 8.54 mol BF3
How many moles of HCN are in 15 L?
How many L would make up 11.0 mol of PH3?

9. Essential Questions
How do you convert from moles to grams and grams to moles?
How do you go from moles to liters and liters to moles?

10. 6.2 Tracked Assignment
worksheet