What is a mole?
Stoichiometry moles to mass

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•
Science
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A counting term describing a large number of things.
2.
FLASHCARD QUESTION
Front
What is the molar mass for water (H2O)?
Back
18.02 g/mol.
3.
FLASHCARD QUESTION
Front
What is the molar mass for oxygen gas (O2)?
Back
32 g/mol.
4.
FLASHCARD QUESTION
Front
What is the conversion factor between mole and grams?
Back
1 gram of the substance = molar mass of the substance.
5.
FLASHCARD QUESTION
Front
When balancing a reaction, what can we change?
Back
We can change the coefficients.
6.
FLASHCARD QUESTION
Front
What is the definition of molar mass?
Back
The mass of one mole of a substance, typically expressed in grams per mole (g/mol).
7.
FLASHCARD QUESTION
Front
How do you calculate the number of moles from mass?
Back
Number of moles = mass (g) / molar mass (g/mol).
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