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WorksheetsDo you know the Mole-fin man?
Total questions: 17
Worksheet time: 13mins
Name
Class
Date
1.
Al(C2H3O2)3 contains how many oxygen atoms?
a)
2 atoms
b)
5 atoms
c)
6 atoms
d)
22 atoms
2.
How many moles are there in 30.0 g of tin (II) nitrate?
a)
4.98 x 10-23 mol
b)
0.100 mol
c)
0.166 mol
d)
0.124 mol
3.
How many moles of atoms in 1 mole of CO2?
a)
1
b)
3
c)
3 x 6 x 1023
d)
1 x 6 x 1023
4.
Fluorine is diatomic. What is the molar mass of fluorine gas?
a)
18.998 g/mol
b)
37.996 g/mol
c)
9 g/mol
d)
18 g/mol
5.
Determine the molar mass for CCl4
a)
158.8 g/mol
b)
47.54 g/mol
c)
189.35 g/mol
d)
82.9 g/mol
6.
Which of the following dimensional analysis setups will correctly convert 27.76g of Li to atoms of Li?
a)
A
b)
B
c)
C
d)
D
7.
Calculate the mass of 5 mol of iron atoms.
a)
5
b)
56
c)
130
d)
280
8.
Which would have more atoms?
a)
1 mole of Li
b)
1 mole of Au
c)
1 mole of Si
d)
None, all are equal
9.
6.02x1023 is known as
a)
the address to get "free shavacado"
b)
Avogadro's number.
c)
Avocado's number.
d)
the genetic make up of Guacamole.
10.
Molar mass is in units of ________.
a)
grams
b)
grams/mole
c)
mole
d)
moles/gram
11.
What is the difference between a formula unit and a molecule?
a)
formula unit - ionic bond
molecule - covalent bond
molecule - covalent bond
b)
formula unit - big
molecule - small
molecule - small
c)
formula unit - covalent bond
molecule - ionic bond
molecule - ionic bond
d)
formula unit - small
molecule - big
molecule - big
12.
How many molecules of sugar (C6H12O6) are in a mole?
a)
24 molecules
b)
180 molecules
c)
180 g
d)
6.02 x 1023 molecules
13.
The molar mass of an element is equal to its...
a)
Atomic mass
b)
Atomic number
c)
Oxidation number
d)
Valence electrons
14.
What is the mass of one mole of aluminum chloride (remember to determine the correct formula first)?
a)
62.435g
b)
116.399g
c)
133.341g
d)
97.888g
15.
How much volume does 3 moles of chlorine gas occupy at STP?
a)
250 L
b)
213 L
c)
106.5 L
d)
67.2 L
16.
How many moles are in 17.0 g of water?
a)
16.94
b)
0.9403
c)
305.2
d)
1.063
17.
The atomic masses of any two elements contain the same number of
a)
atoms
b)
ions
c)
grams
d)
mililiters
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