What is the definition of a mole in chemistry?
Review - Moles (APA)

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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 used to express amounts of a chemical substance, defined as exactly 6.022 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 of a compound, sum the molar masses of all the atoms in its chemical formula.
4.
FLASHCARD QUESTION
Front
What is the molar mass of Iron (Fe)?
Back
The molar mass of Iron (Fe) is 55.93 g/mol.
5.
FLASHCARD QUESTION
Front
What is the molar mass of Nitrogen gas (N2)?
Back
The molar mass of Nitrogen gas (N2) is 28.02 g/mol.
6.
FLASHCARD QUESTION
Front
How many molecules are in one mole of a substance?
Back
One mole of a substance contains 6.022 x 10^23 molecules.
7.
FLASHCARD QUESTION
Front
How do you convert grams to moles?
Back
To convert grams to moles, divide the mass of the substance (in grams) by its molar mass (in g/mol).
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