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WorksheetsMoles to Particles
Total questions: 11
Worksheet time: 35mins
Name
Class
Date
1.
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
2.
How many molecules are in 2.5 mol of NaCl?
a)
1.51x1023
b)
146
c)
4.15
d)
1.51x1024
3.
How many formula units are there in 2.45 moles potassium chloride?
a)
4.07 x 10-24
b)
1.47 x 1024
c)
1.47
d)
4.07
4.
How many molecules are there in 31.8 moles of water?
a)
5.28 x 10-23 molecules
b)
1.91 x 1025 molecules
c)
5.28x 10-25
d)
1.91 x 1022
5.
How many moles are 2.85 x 1018 atoms of iron?
a)
4.73 x 10-6 moles
b)
1.72 x 1042 moles
c)
1.72 x 10-42 moles
d)
4.73 x 106 moles
6.
How many moles of copper are 4.57 x 1013 atoms of copper?
a)
7.59 x 10-11 moles
b)
2.75 x 1037 moles
c)
7.59 x 1011 moles
d)
2.75 x 1033 moles
7.
How many formula units are there in 5.5 moles potassium chloride?
a)
4.08 x 10-24
b)
3.31 x 1024
c)
33.11
d)
0.98
8.
How many students are there in 31.8 moles of students?
a)
5.28 x 10-23 students
b)
1.91 x 1025 students
c)
5.28x 10-25 students
d)
1.91 x 1022 students
9.
How many moles are 2.85 x 1020 atoms of iron?
a)
4.73 x 10-4 moles
b)
1.72 x 104 moles
c)
1.72 x 10-42 moles
d)
4.73 x 104 moles
10.
How many moles of copper are 4.57 x 1015 atoms of copper?
a)
7.59 x 10-9 moles
b)
2.75 x 10-33 moles
c)
7.59 x 109 moles
d)
2.75 x 1033 moles
11.
Avogadro's number of representative particles is equal to one_____.
a)
kilogram
b)
gram
c)
kelvin
d)
mole
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