WorksheetsChemical Quantities Test Review
Total questions: 22
Worksheet time: 54mins
Name
Class
Date
1.
How many atoms of iodine are in a mole of iodine?
a)
53
b)
63.55g
c)
126.9
d)
6.02 x 1023
2.
What is the Molar mass of one mole of Iron (Fe)?
a)
55.93 amu
b)
55.93 g
c)
111.86 amu
d)
111.86 g
3.
What is the molar mass of H2O?
a)
6.02 x 1023
b)
16 grams
c)
18 grams
d)
15.99999 grams
4.
We use the periodic table to find...
a)
mass
b)
molar mass
c)
moles
5.
How are a mole aluminum and zinc the same?
a)
they have the same number of atoms - 6.02 x 1023
b)
they have the same molar mass
6.
In chemistry, a "mole" is:
a)
The mass of an atom
b)
a large number used to count particles
c)
based on the volume of a substance
7.
How many particles would be in 8.4 moles of Octane (C8H18)?
a)
5.77 x 1023
b)
5.04 x 1024
c)
5.77 x 1026
d)
5.04 x 1023
8.
Which has more molecules?
a)
1 mole H2O
b)
1 mole Al(OH)3
c)
1 mole NaCl
d)
There are all the same
9.
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
10.
Determine the amount of moles in 4.50 x 1023 atoms of fluorine.
a)
9.03 x 1046 moles
b)
0.757 moles
c)
4.73 moles
d)
0.0131 moles
11.
What is the unit for molar mass?
a)
amu
b)
g
c)
g/mol
12.
What is the molar mass of CO2?
a)
44
b)
32
c)
16
d)
56
13.
Moles of Al2O3 in 40g
a)
40%
b)
0.39
c)
4080
d)
2.55
14.
Mass of one mole of Mg(OH)2
a)
58g
b)
42g
c)
82g
d)
41g
15.
Molar mass of CaCO3
a)
100
b)
100g
c)
50
d)
50g
16.
What is the basic unit of mass in the metric system?
a)
Liter
b)
Meter
c)
Gram
d)
Kilometer
17.
Which unit is the smallest?
a)
km
b)
mm
c)
m
d)
cm
18.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
19.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
20.
3.85 hg = _____ cg
a)
38,500
b)
3,850
c)
38.5
d)
0.000385
21.
900 cm ____ 9000 mm
a)
<
b)
=
c)
>
22.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
100 %
