Moles
Amadeo Avogadro
Grams > Moles
Particles > Moles
1
When is Mole Day?
October 23rd
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Who is this?
Avogadro
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How many moles in 1g of Oxygen?
0.06 mol of O
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How many moles of Helium in 3 particles of Helium?
5 x 10-24 mol of He
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What can the world "mole" also commonly refer to?
An animal
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What century was Avogadro born?
1700s
2
How many moles in 50. g of Chromium?
0.96 mol of Cr
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How many moles of Hydrogen in 9,800 particles of Hydrogen?
1.6 x 10-20 mol of H
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What is Avogadro's number?
6.022 x 1023
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Did Avogadro study physics or chemistry?
Physics
(kinda both in that he was a chemical physicist, but primarily physics)
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How many moles in 2.500 g of Nitrogen gas?
0.08929 mol of N2
3
How many moles of Zinc are there in 3.7 x 1023 particles of Zinc?
0.61 mol of Zn
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This is used to measure large amount of very small entities.
A mole
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Did Avogadro invent Avogadro's number?
No
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How many moles are there in 38.3g of Helium?
9.58 mol of He
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How many moles are there in 1.295 x 105 particles of Yttrium?
2.150 x 10-19 mol of Y
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What is the unit for molar mass?
g/mol
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Write out Avagadro's number in full.
602,200,000,000,000,000,000,000
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How many moles in 71.3g of Gallium?
1.02 mol of Ga
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How many moles in 1.357 x 1013 particles of Lithium?
2.253 x 10-11 mol of Li