What is a mole?
The Mole and Molar Mass

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Chemistry
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A mole is a unit of measurement in chemistry that represents 6.02 x 10^23 particles (atoms, molecules, ions, etc.).
2.
FLASHCARD QUESTION
Front
What is molar mass?
Back
Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol).
3.
FLASHCARD QUESTION
Front
How do you calculate the molar mass of a compound?
Back
To calculate the molar mass, sum the atomic masses of all atoms in the compound's formula.
4.
FLASHCARD QUESTION
Front
What is the molar mass of sulfur dioxide (SO2)?
Back
The molar mass of SO2 is approximately 64 g/mol (32 g/mol for S and 16 g/mol for each O).
5.
FLASHCARD QUESTION
Front
How many grams are in 1 mole of water (H2O)?
Back
1 mole of water (H2O) has a mass of approximately 18 g.
6.
FLASHCARD QUESTION
Front
What is Avogadro's number?
Back
Avogadro's number is 6.02 x 10^23, which is the number of particles in one mole of a substance.
7.
FLASHCARD QUESTION
Front
How do you convert moles to grams?
Back
To convert moles to grams, multiply the number of moles by the molar mass of the substance.
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