WorksheetsMole Conversions
Total questions: 14
Worksheet time: 1hrs 4mins
Name
Class
Date
1.
Which of the following pairs are equivalent to one another?
a)
1.00 mol of carbon and 12.01 amu of carbon
b)
4.00 g of helium and 6.02 x 1023 atoms of hydrogen
c)
32.07 g of sulfur and 6.02 x 1023 atoms of sulfur
d)
30.97 g of phosphorus and 30.97 amu of phosphorus
2.
What is the molar mass of hydrogen peroxide (H2O2)?
a)
48 g/mole
b)
34.02 g/mole
c)
36.5 g/mole
d)
35.5 g/mole
3.
How many moles are in 16.94 g of water?
a)
16.94 mol H2O
b)
0.9401 mol H2O
c)
305.3 mol H2O
d)
1.063 mol H2O
4.
How many molecules are in 9.44 moles of AlCl3?
a)
5.68 molec AlCl3
b)
5.68x1024 molec AlCl3
c)
0.705 molec AlCl3
d)
1.25x1023 molec AlCl3
5.
How many molecules of sugar (C6H12O6) are in a mole?
a)
24 molecules
b)
180 molecules
c)
180 g
d)
6.02 x 1023 molecules
6.
How many molecules are in 2.5 mol of NaCl?
a)
1.51x1023
b)
146
c)
4.15
d)
1.51x1024
7.
What is the mass in grams of 5.90 mol C8H18?
a)
.0512 g
b)
19.4 g
c)
673 g
d)
389 g
8.
How many water molecules are in 5.2 moles of water?
a)
6.02 x 1023
b)
5.2
c)
3.1304 x 1024
d)
8.638 x 10-24
9.
How many moles are in 19.82 g Mg?
a)
1.226mol Mg
b)
481.7mol Mg
c)
1.000mol Mg
d)
0.8156 mol Mg
10.
How many moles are in 3.01 x 1022 atoms of magnesium?
a)
0.050 moles
b)
1.81 x 1046 moles
c)
5.00 x 1021 moles
d)
5.00 moles
11.
How many grams are in 1.2 x 1024 atoms of C?
a)
28 grams
b)
24 grams
c)
6.02 grams
d)
1.2 grams
12.
What is the molar mass of table salt (NaCl)?
a)
116.886 g/mol
b)
35.453 g/mol
c)
22.990 g/mol
d)
58.443 g/mol
13.
Consider the question how many atoms are in 1.0 mole of Ag? What conversion would you use in this question?
a)
1 mole Ag
6.022 x 1023 atoms
b)
6.022 x 1023 atoms
1 mole Ag
c)
1 mole Ag
107.87 grams Ag
d)
107.87 grams Ag
1 mole Ag
14.
What is the mass of 4.98 x 1024 atoms of Zn?
a)
541 g
b)
8.27 g
c)
.122 g
d)
4.59 x 1046 g
100 %
