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WorksheetsMoles and Molar Mass Review
Total questions: 11
Worksheet time: 6mins
The molar mass of an element is equal to its...
Atomic mass (from the periodic table)
Atomic number (from the periodic table)
Oxidation number
Valence electrons
1 mole of anything is equal to:
6.02
6.02 x 1023
12
12.602 x 1023
The molar mass of calcium is 40.08 g/mol. This means that 1 mole of calcium has a mass of:
4.008 grams
40.08 grams
20 grams
20.04 grams
What is the molar mass of oxygen?
8 g/mol
16 g/mol
32 g/mol
6 g/mol
What is the molar mass of cyanide (CN-).
13 g/mol
24.02 g/mol
26.02 g/mol
42.02 g/mol
What is the molar mass of platinum?
106.42 g/mol
78 g/mol
46 g/mol
195.08 g/mol
Which of the following has the most atoms?
1 mole of oxygen
1 mole of carbon
1 mole of iron
These all have the same number of atoms
What is the molar mass of silver?
47 g/mol
79 g/mol
107.87 g/mol
196.97 g/mol
If 1 mole of water has a mass of 18.02 grams. How many water molecules are there in 18.02 grams of water?
18.02
18
6.02 x 1023
None of the above
If 1 mole of helium weighs 4 grams, how many grams will 3 moles of helium weigh?
4 grams
8 grams
12 grams
34 grams
