Atoms
Moles
Grams
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100
How many grams in 60.2 x 10^23 atoms C?
12.01 g C
100
What is the mass (g) of 1.00 mol Li?
6.94 g Li
100
How many moles in 2.65 g Fe?
0.0474 mol Fe
100
What is Avogadro's Number?
6.02 x 10^23
100
How is the mass in grams of the element converted to amount in moles?
Divide by the molar mass
200
How many moles in 3.011 x 10 ^23 atoms Mg?
0.5000 mol Mg
200
How many atoms in 6.755 mol Pb?
4.068 x 10^23 atoms Pb
200
How many grams in 6.50 moles Cu
413 g Cu
200
How many items are in a mole?
6.02 x 10^23 items
200
How is the mass in grams of the element converted to number of atoms?
Divided by molar mass, then multiply by Avogadro's Number
300
How many grams in 10.5 x 10^23 atoms Mg?
6.05 g Mg
300
How many moles in 0.00750 g Ag? (in scientific notation)
6.95 x 10^-5 mol Ag
300
How many moles are in 0.535 g Zn?
0.00818 mol Zn
300
What is the molar mass of Iridium?
192.2 g/mol
300
What is the mass of a mole of an element?
The amu of the element found on the periodic table
400
How many atoms in 0.250 mol S?
1.51 x 10^23 atoms S
400
How many mores in 2.25 x 10^25 atoms Zn?
37.4 mol Zn
400
How many grams in 4.50 x 10^12 atoms Cl?
2.65 x 10^-10 g Cl
400
What is the molar mass of Xenon?
131.3 g/mol
400

Why do we need the mole unit?

Because atoms have different masses and the mole helps ensure that we have the right amount of elements. 

500
How many atoms in 0.02550 g Pt?
7.872 x 10^19 atoms Pt
500
How many moles in 150 g S?
4.7 mol S
500
How many grams in 8.42 x 10 atoms Br?
0.00112 g Br
500
You can convert directly between atoms and grams (True or False)

False

500

18.0 grams is the molar mass of what compound?

A) CO2

B) H2O

C) C6H12O6

D) ATP

B) H2O

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