What is a mole in chemistry?
Mole conversions

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Chemistry
•
11th 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
How do you convert molecules to grams?
Back
To convert molecules to grams, use the formula: grams = (number of molecules / Avogadro's number) x molar mass.
3.
FLASHCARD QUESTION
Front
What is Avogadro's number?
Back
Avogadro's number is 6.022 x 10^23, which is the number of atoms, molecules, or particles in one mole of a substance.
4.
FLASHCARD QUESTION
Front
What is the molar mass of CO (carbon monoxide)?
Back
The molar mass of CO is approximately 28.01 g/mol.
5.
FLASHCARD QUESTION
Front
How many grams are in 1 mole of Zn (zinc)?
Back
1 mole of Zn has a mass of approximately 65.38 g.
6.
FLASHCARD QUESTION
Front
What is the mass of 1 mole of C6H12O6 (glucose)?
Back
1 mole of C6H12O6 has a mass of approximately 180.18 g.
7.
FLASHCARD QUESTION
Front
How do you calculate the number of moles from grams?
Back
To calculate moles from grams, use the formula: moles = grams / molar mass.
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