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WorksheetsTest : The Mole
Total questions: 20
Worksheet time: 40mins
What is the SI unit for amount of a substance?
Atomic mass
Molar mass
The mole
Where do you find the molar mass of an element?
The solubility rules
The periodic table
The polyatomic ion list
The activity series
What is Avogadro's number?
6.02 x 1023
1 mole
600 million
6.02
16.02 g/mole
18.02 g/mole
15.99999 g/mole
How many atoms are in 1 mole of Iodine (I)?
6.022 x 1023
4.022 x 1023
6.022 x 1025
4.022 x 1025
What is the empirical formula for C4H6
CH
C2H3
CH3
C4H
A molecule has 3 atoms of carbon, 4 atoms of hydrogen, and 3 atoms of oxygen. What is the molecular formula?
CHO
C3H4O3
CH2O
If the percent composition of your compound is 15% Na and 80% Cl, what percentage would O be?
0
5
15
1
How many atoms of S are in 0.250 mol S
1.506 x 1023 S atoms
3.011 x 1023 S atoms
9.033 x 1023 S atoms
6.022 x 1023 S atoms
1.204 x 1024 S atoms
How many atoms of S are in 1.00 mol SO2
1.506 x 1023 S atoms
3.011 x 1023 S atoms
9.033 x 1023 S atoms
6.022 x 1023 S atoms
1.204 x 1024 S atoms
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
Convert 25 g of NaBr to molecules
102.96 molecules
0.24 molecules
1.45x1023 molecules
2.34 x 1020molecules
