Mole Conversions
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•
Chemistry
•
10th - 11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a mole?
Back
A mole is a unit of measurement in chemistry that represents 6.02 x 10^23 particles (atoms, molecules, ions, etc.) of a substance.
2.
FLASHCARD QUESTION
Front
How do you convert atoms to moles?
Back
To convert atoms to moles, divide the number of atoms by Avogadro's number (6.02 x 10^23).
3.
FLASHCARD QUESTION
Front
How do you convert molecules to grams?
Back
To convert molecules to grams, first convert molecules to moles using Avogadro's number, then multiply by the molar mass of the substance.
4.
FLASHCARD QUESTION
Front
What is the molar mass of an element?
Back
The molar mass of an element is the mass of one mole of that element, expressed in grams per mole (g/mol).
5.
FLASHCARD QUESTION
Front
How many moles are in 1.2 x 10^24 molecules of CO?
Back
1.2 x 10^24 molecules of CO is equal to 2 moles (1.2 x 10^24 / 6.02 x 10^23).
6.
FLASHCARD QUESTION
Front
What is the mass of 1 mole of water (H2O)?
Back
The mass of 1 mole of water (H2O) is approximately 18 grams.
7.
FLASHCARD QUESTION
Front
How do you find the number of molecules in a given number of moles?
Back
To find the number of molecules in a given number of moles, multiply the number of moles by Avogadro's number (6.02 x 10^23).
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