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M9 Conversion Problems

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
Which conversion factor would you use to solve the following problem?
 "What is the mass of 1.98 x 1024 atoms of zinc?"
a)
Avogadro's Number
b)
Molar Mass
c)
Both Avogadro's Number and Molar mass
2.

Which type of particle is the smallest piece of a COVALENT compound?

a)
Atom
b)
Formula Unit
c)
Molecule
3.

Which conversion factor would you use to solve the following problem?
 "What is the mass of 1.98 moles of Fe2O3?"

a)
Avogadro's Number
b)
Molar Mass
c)
Both Avogadro's Number and Molar mass
4.

HOW MANY conversion factors would you use to solve the problem
"What is the mass of 15.6 moles of sodium chloride?"?

a)
One
b)
Two
5.

Which type of particle is the smallest piece of an IONIC compound?

a)
Atom
b)
Formula Unit
c)
Molecule
6.

HOW MANY conversion factors would you use to solve the problem
 "What is the mass of 1.98 x 1024 atoms of zinc?"?

a)
One
b)
Two
7.

HOW MANY conversion factors would you use to solve the problem
 "What is the mass of 1.98 x 1024 molecules of carbon dioxide?"?

a)
One
b)
Two
8.
Which type of particle is CO2?
a)
Atom
b)
Formula Unit
c)
Molecule
9.

Which conversion factor would you use to solve the following problem?
 "How many formula units are in 367.42 g SnSO4?"

a)
Avogadro's Number
b)
Molar Mass
c)
Both Avogadro's Number and Molar mass
10.
How many conversion factors would you use to solve the problem
 "How many molecules are in 2.5 mol of sulfur dioxide, SO2?"?
a)
One
b)
Two
11.
Which type of particle is NaCl?
a)
Atom
b)
Formula Unit
c)
Molecule
12.
How many conversion factors would you use to solve the problem
 "What is the mass of 1.98 x 1024 atoms of zinc?"?
a)
One
b)
Two
13.
Which conversion factor would you use to solve the following problem?
 "How many moles are there in 5.6 x 1021 formula units of zinc oxide?"
a)
Avogadro's Number
b)
Molar Mass
c)
Both Avogadro's Number and Molar mass
14.

Which conversion factor would you use to solve the following problem?
 "How many moles are there in 3.27 x 1024 molecules of water?"

a)
Avogadro's Number
b)
Molar Mass
c)
Both Avogadro's Number and Molar mass
15.

Which conversion factor would you use to solve the following problem?
 "How many moles are there in 67.8 g of water?"

a)
Avogadro's Number
b)
Molar Mass
c)
Both Avogadro's Number and Molar mass
16.

Which type of particle is dinitrogen tetroxide?

a)
Atom
b)
Formula Unit
c)
Molecule
17.

Which type of particle is tin(IV) oxide?

a)
Atom
b)
Formula Unit
c)
Molecule
18.

When solving conversion problems, which word(s) tell you to use Avogadro's number?

Mark ALL that apply

a)

atom

b)

gram

c)

mole

d)

molecule

e)

formula unit

19.

When solving conversion problems, which word(s) tell you to use Molar mass?

Mark ALL that apply

a)

atom

b)

gram

c)

mole

d)

molecule

e)

mass

20.

When solving conversion problems, which word(s) tell you to use 1 conversion factor?

Mark ALL that apply

a)

atom

b)

gram

c)

mole

d)

molecule

e)

mass