What unit is used to measure the number of particles in a substance? Options: kilogram, mole, Liter, dozen
Stoichiometry

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Chemistry
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10th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
mole
2.
FLASHCARD QUESTION
Front
How many oxygen atoms are in 5 molecules of Mohr's salt: (NH4)2Fe(SO4)2?
Back
40
3.
FLASHCARD QUESTION
Front
A sealed container of nitrogen gas contains 6 × 1023 molecules at STP. As the temperature increases, the mass of the nitrogen will
Back
remain the same.
4.
FLASHCARD QUESTION
Front
At STP, 32.0 g of O2 would occupy the same volume as: 64 g of H2, 4.0 g of He, 12.0 g of CH4, 7.0 g of N2
Back
4.0 g of He
5.
FLASHCARD QUESTION
Front
At STP, what mass of CH4 has the same number of molecules as 18.0 grams of H2O?
Back
16.0 g
6.
FLASHCARD QUESTION
Front
The atomic masses of any two elements contain the same number of ____.
Back
atoms
7.
FLASHCARD QUESTION
Front
Which mass contains 6.02 × 1023 atoms? Options: 6.0 g of carbon, 3.0 g of helium, 28.0 g of silicon, 16.0 g of sulfur
Back
28.0 g of silicon
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