What is Avogadro's number?
The Mole

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Chemistry
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
6.02 x 10^23, which is the number of particles (atoms, molecules, etc.) in one mole of a substance.
2.
FLASHCARD QUESTION
Front
How is moles abbreviated?
Back
mol
3.
FLASHCARD QUESTION
Front
How many moles are in 6.02 x 10^23 molecules of H2O?
Back
1 mole, as 6.02 x 10^23 is defined as one mole.
4.
FLASHCARD QUESTION
Front
How many molecules are there in 31.8 moles of water?
Back
1.91 x 10^25 molecules, calculated using Avogadro's number.
5.
FLASHCARD QUESTION
Front
How many molecules are in 2.5 mol of NaCl?
Back
1.51 x 10^24 molecules, calculated using Avogadro's number.
6.
FLASHCARD QUESTION
Front
What is the definition of a mole?
Back
A mole is a unit of measurement for amount of substance in the International System of Units (SI), defined as containing exactly 6.02 x 10^23 particles.
7.
FLASHCARD QUESTION
Front
What is the relationship between moles and mass?
Back
The mass of a substance in grams is equal to the number of moles multiplied by the molar mass (g/mol).
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