What is a mole?
Mole/Molar Mass/Conversions

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Chemistry
•
10th - 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
How do you calculate the number of molecules in a given number of moles?
Back
Number of molecules = moles × Avogadro's number (6.02 x 10^23).
3.
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).
4.
FLASHCARD QUESTION
Front
How do you convert moles to grams?
Back
Grams = moles × molar mass.
5.
FLASHCARD QUESTION
Front
What is the molar mass of NaCl?
Back
The molar mass of NaCl (sodium chloride) is approximately 58.44 g/mol.
6.
FLASHCARD QUESTION
Front
How many moles are in 1.204 x 10^24 molecules of CO?
Back
0.200 moles (calculated using the formula: moles = molecules / Avogadro's number).
7.
FLASHCARD QUESTION
Front
What is the molar mass of H2O?
Back
The molar mass of H2O (water) is 18 g/mol.
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