What is the number of particles in a mole?
CHEMISTRY FALL 2024 REVIEW V2

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Chemistry
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10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
6.02 x 10^23
2.
FLASHCARD QUESTION
Front
What type of bond do atoms of hydrogen (H) only form?
Back
Single bonds
3.
FLASHCARD QUESTION
Front
How many moles are in 16.94g of water (H2O)?
Back
0.9401 mol H2O
4.
FLASHCARD QUESTION
Front
Calculate the number of moles in 20.9 grams of nitrogen (N2).
Back
0.746 moles
5.
FLASHCARD QUESTION
Front
Which of the following reactions is balanced? 2Na + 2H2O -> 2NaOH + H2
Back
2Na + 2H2O -> 2NaOH + H2
6.
FLASHCARD QUESTION
Front
What is the molar mass of water (H2O)?
Back
18.02 g/mol
7.
FLASHCARD QUESTION
Front
Define a mole in chemistry.
Back
A mole is a unit that measures the amount of substance, defined as exactly 6.022 x 10^23 particles.
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