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WorksheetsMole Quiz
Total questions: 14
Worksheet time: 20mins
What is the mole?
6.02 x 1023 atoms/particles
a counting unit
Avogadro's number
All of the above
One mole of sulfur (S) is equal to how many atoms?
32 atoms
16 atoms
1.20 x 1023 atoms
6.02 x 1023 atoms
What is the molar mass of Cl2?
35.45 g/mol Cl2
70.90 g/mol Cl2
138.91 g/mol Cl2
What is the molar mass of carbon tetrahydride?
49.05 g/mol
carbon tetrahydride
15.04 g/mol
carbon tetrahydride
16.05 g/mol
carbon tetrahydride
37.04 g/mol
carbon tetrahydride
Which represents a greater mass - 1 mole of NaCl or 6.02 × 1023 formula units of NaCl?
1 mole
6.02 × 1023 formula units
they are the same
How many moles are there in 2.00 x 1023 atoms of oxygen?
0.33 mol
1.2 mol
3.01 mol
What is the correct setup for converting 6 moles of H2 to molecules?
A
B
C
D
How many molecules are there in 5.5 moles potassium chloride?
4.08 x 10-24
3.31 x 1024
33.11
0.98
Which has the most particles?
1 mole H2
1 mole Na1+
1 mole Al(OH)3
These are all the same
Why is the mole used in chemistry?
The mass of atoms is in AMUs which is too hard to convert to grams.
A dozen is not a scientific amount.
Chemists needed to make chemistry easier to understand.
It makes counting large numbers of small particles easier.
What is the mole used for?
To measure the amount of grams in a substance
To measure the amount of atoms or molecules in a substance
To measure the amount of energy in a substance
To measure the amount of bonding in a substance
How many oxygen atoms are in the following chemical formula?
Al2(CO3)3
3
6
9
18
Which of the following accurately describes the chemical formula of the molecule shown above?
3CH8O
C3H7O
C4H8O2
C3H8O
