WorksheetsMole conversion quiz
Total questions: 20
Worksheet time: 51mins
Name
Class
Date
1.
Mole in Chemistry is a(an)_______.
a)
unit
b)
animal
c)
number equals to 6.02
d)
number equals to 12
2.
What is the molar mass of NaOH?
a)
368 g/mole
b)
40 g/mole
c)
57 g/mole
d)
23 g/mole
3.
What is the mass of one mole of AuCl3?
a)
96g
b)
130g
c)
232.5g
d)
303.5g
4.
36.0 g of Be contains how many moles?
a)
0.25 mol
b)
4.0 mol
c)
45 mol
d)
320 mol
5.
4.0 moles of H2O would have what mass?
a)
72 g
b)
23 g
c)
68 g
d)
4.5 g
6.
A mass of 6 g of Carbon contains
a)
1 mole of C
b)
2 moles of C
c)
0.5 moles of C
d)
72 moles of C
7.
How many moles are in 22 g of argon?
a)
880 moles
b)
0.55 moles
c)
1.81 moles
d)
5 moles
8.
How many grams are in 88.1 moles of magnesium?
a)
2141 g
b)
0.3 g
c)
30 g
d)
3.6 g
9.
What is the molar mass of Mn2Se7?
a)
134 g/mole
b)
663 g/mole
c)
189 g/mole
d)
608 g/molw
10.
What is the molar mass of (NH4)2SO4?
a)
66 g/mole
b)
114 g/mole
c)
100 g/mole
d)
132 g/mole
11.
How many atoms of carbon are in 6.00g
of carbon?
a)
1.20x1024atoms C
b)
6.02x1023atoms C
c)
3.01x1023atoms C
d)
1.50x1023atoms C
12.
How many grams are in 1.2 x 1024 molecules of CO?
a)
28 grams
b)
56 grams
c)
6.02 grams
d)
1.2 grams
13.
How many moles are in 15 grams of lithium?
a)
0.5 moles
b)
104.1 moles
c)
2.2 moles
d)
50 moles
14.
What are the units for molar mass?
a)
grams
b)
amu
c)
grams/mole
d)
liters
15.
The number 6.02 x 1023 is ______.
a)
molar mass
b)
molecules
c)
Avogadro's number
d)
hydrate
16.
Which of the following has the same number of atoms as in 2 moles Carbon?
a)
All of them
b)
2 moles Mg
c)
2 moles K
d)
2 moles Al
17.
Why do we use moles?
a)
We want to use a lot of chemicals.
b)
We want to count chemicals using its mass.
c)
We have the technology to count atoms one by one.
d)
We like little cute animals.
18.
Which one of the following have the greatest mass?
a)
1 mole carbon
b)
2 mole Hydrogen
c)
1 mole silver
d)
1 mole gold
19.
Which of the following has the most number of molecules?
a)
1 mole of calcium
b)
2 mole of sodium
c)
3 mole of helium
d)
4 mole of Lithium
20.
Which one of the following is NOT a unit?
a)
mole
b)
gram
c)
gram/mol
d)
mass
100 %
