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WorksheetsThe Mole
Total questions: 8
Worksheet time: 46mins
What is Avogadro's number? [2 marks]
6.02 x 1023
1 mole
600 million
6.02
How many moles are in 6.02 x 1023 molecules of H2O? [2 marks]
1 mole
2 moles
6.02 moles
602000000000000000000000 moles
One mole of carbon dioxide (CO2) contains 6.02 x 1023 _____.
atoms
formula units
ions
molecules
A mole is: [2 marks]
The SI unit for mass
The SI unit for the amount of a substance
The SI unit for volume
The SI unit for area
How is moles abbreviated? [2 marks]
M
m
mol
ml
Which has the most particles? [2 marks]
1 mole H2
1 mole Na1+
1 mole Al(OH)3
These are all the same
Calculate the number of moles of the following substances:
(a) 1.2 g nitrogen molecules (b) 4 g CuSO4 (c) 0.5 g C3H8
[3 marks each]
Calculate the number of particles of the following substances:
(a) 12 mol water (b) 0.025 mol sodium chloride (c) 5 g LiCl (d) 7.2 g CaCO3
[5 marks each]
