Mole Calculation Worksheet With Answers Page 3
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3Mole Calculation Worksheet – Answer Key
1)
How many moles are in 15 grams of lithium?
0.46 moles
2)
How many grams are in 2.4 moles of sulfur?
77.0 grams
3)
How many moles are in 22 grams of argon?
0.55 moles
4)
How many grams are in 88.1 moles of magnesium?
2141 grams
5)
How many moles are in 2.3 grams of phosphorus?
0.074 moles
6)
How many grams are in 11.9 moles of chromium?
618.8 grams
7)
How many moles are in 9.8 grams of calcium?
0.24 moles
8)
How many grams are in 238 moles of arsenic?
17,826 grams
What are the molecular weights of the following compounds?
9)
NaOH
40.1 grams
12)
H
PO
98.0 grams
3
4
10)
H
O
18.0 grams
13)
Mn
Se
663.0 grams
2
2
7
11)
MgCl
95.3 grams
14)
(NH
)
SO
132.1 grams
2
4
2
4
15)
How many grams are in 4.5 moles of sodium fluoride, NaF?
189 grams
16)
How many moles are in 98.3 grams of aluminum hydroxide, Al(OH)
?
3
1.26 moles
17)
How many grams are in 0.02 moles of beryllium iodide, BeI
?
5.2 grams
2
18)
How many moles are in 68 grams of copper (II) hydroxide, Cu(OH)
?
2
0.70 moles
19)
How many grams are in 3.3 moles of potassium sulfide, K
S?
364.0 grams
2
3
20)
How many moles are in 1.2 x 10
grams of ammonia, NH
?
70.6 moles
3
-4
21)
How many grams are in 2.3 x 10
moles of calcium phosphate, Ca
(PO
)
?
3
3
2
0.064 grams
-7
22)
How many moles are in 3.4 x 10
grams of silicon dioxide, SiO
?
2
-9
5.66 x 10
moles
23)
How many grams are in 1.11 moles of manganese sulfate, Mn
(SO
)
?
3
4
7
929.5 grams
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