WorksheetsMolar Relationship Practice
Total questions: 11
Worksheet time: 33mins
Name
Class
Date
1.
What is the mass of 1 mole of carbon?
a)
6.02 x 1023 g
b)
12.01 g
c)
24 g
d)
1 g
2.
How many moles are in 35 grams of chlorine gas (Cl2)?
a)
1 mol
b)
2482 mol
c)
1225 mol
d)
0.5 mol
3.
What is the molar mass of calcium hydroxide?
a)
74.1 g/mol
b)
57.1 g/mol
c)
41.1 g/mol
d)
17.0 g/mol
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 particles are in 13.5 grams of Beryllium?
a)
1.50 particles
b)
9.03 particles
c)
4.00x1023 particles
d)
9.03x1023 particles
6.
How many grams are in 1.2 x 1024 molecules of CO?
a)
28 grams
b)
56 grams
c)
6.0 grams
d)
1.2 grams
7.
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
8.
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
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.
What is the molar mass of AuCl2?
a)
96 g
b)
130 g
c)
232.5 g
d)
268 g
100 %
