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Mole Problem Quiz -
Answers |
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1. How many moles are equal to 64.12 grams of
sulfur? |
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64.12 g S |
1 mole S |
= |
2.000 moles S |
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1 |
32.066 g S |
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2. How many grams of zinc are equal to 3.75
moles of zinc? |
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3.75 moles Zn |
65.39 g Zn |
= |
245 grams Zn |
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1 |
1 mole Zn |
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3. How many moles of sodium are equal to 1.204
x 1024 atoms of sodium? |
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1.204x1024 atoms Na |
1 mole Na |
= |
2.00 moles Na |
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1 |
6.02x1023
atoms Na |
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4. How many atoms of fluorine are equal to
0.25 moles of fluorine? |
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0.25 moles F |
6.02x1023 atoms F |
= |
1.5 x 1023 atoms F |
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1 |
1 mole F |
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5. How many atoms of tungsten are in 91.92
grams of tungsten? |
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91.92 g W |
6.02x1023 atoms W |
= |
3.01 x 1023 atoms W |
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1 |
183.84 g W |
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6. How many atoms of aluminum are in 54.0
grams of aluminum? |
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54.0 g Al |
6.02x1023 atoms Al |
= |
1.20 x 1024 atoms Al |
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1 |
26.98 g Al |
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7. How many grams of nickel are equal to 4.52
x 1018 atoms of nickel? |
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4.52x1018 atoms Ni |
58.69 g Ni |
= |
4.41 x 10-4 grams Ni |
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1 |
6.02x1023 atoms Ni |
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8. How many moles of element X are equal to
6.78 x 1020 atoms of element X? |
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6.78x1020 atoms X |
1 mole X |
= |
1.13 x 10-3 moles X |
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1 |
6.02x1023 atoms X |
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9. How many grams of lead are equal to 0.045
moles of lead? |
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0.045 moles Pb |
207.2 g Pb |
= |
9.3 grams Pb |
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1 |
1 mole Pb |
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10. How many atoms of copper are equal to 50.0
grams of copper? |
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50.0 g Cu |
6.02x1023 atoms Cu |
= |
4.74 x 1023 atoms Cu |
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1 |
63.55 g Cu |
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