Mole Calculations Worksheet
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Mole Calculations Worksheet 4: Extra Credit (up to 20 points)
Part I: What are the molar masses of the following compounds?(DO NOT ROUND!!)
1)
NaOH
4)
H
PO
3
4
2)
H
O
5)
Mn
Se
2
2
7
3)
MgCl
6)
(NH
)
SO
2
4
2
4
Part II: Mass <-> Moles
7) How many moles are in 30 grams of H
PO
?
11) How many grams are in 21.3 moles of BaCO
?
3
4
3
8) How many grams are in 4 moles of Cu(CN)
?
12) How many moles are in 12.3 grams of CO
?
2
2
9) How many moles are in 25 grams of HF?
13) How many grams are in 6.6 moles of ZnO?
10) How many moles are in 1.1 grams of FeCl
?
14) How many grams are in 5.4 moles of K
SO
?
3
2
4
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