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WorksheetsPractice -mol conversions
Total questions: 8
Worksheet time: 35mins
Name
Class
Date
1.
How many grams are in 3.01 x 1023 atoms of chlorine?
a)
6.43 x 1048 g Cl
b)
17.8 g Cl
c)
0.0141 g Cl
d)
0.500 g Cl
2.
How many moles are in 3.01 x 1022 atoms of magnesium?
a)
0.0500 moles
b)
1.81 x 1046 moles
c)
5.00 x 1021 moles
d)
5.00 moles
3.
How many moles are in 82.19 g Mn?
a)
3.381 mol Mn
b)
4515 mol Mn
c)
1.000 mol Mn
d)
1.496 mol Mn
4.
How many grams are in
1.2 x 1024 atoms of C?
1.2 x 1024 atoms of C?
a)
28 grams
b)
24 grams
c)
6.02 grams
d)
1.2 grams
5.
How many oxygen atoms are in 5.42 moles of oxygen?
a)
6.02 x 1023 atoms
b)
9.00 x 10-24 atoms
c)
86.7 atoms
d)
3.26 x 1024 atoms
6.
How many moles of lithium are there in 5.0 g of lithium?
a)
35 mol
b)
3.0 x 1024 mol
c)
0.72 mol
d)
8.3 x 10-24 mol
7.
Which of the following dimensional analysis setups will correctly convert 2.50 moles of sodium to grams of sodium?
a)
A
b)
B
c)
C
d)
D
8.
How many protons, neutrons, and electrons are in the following ion:
3717Cl-
a)
17 p, 37 n, 18 e
b)
20 p, 17 n, 21 e
c)
17 p, 20 n, 18 e
d)
17 p, 20 n, 16 e
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