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8 Terms
1
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mass in grams → moles
mass in grams / molar mass
2
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moles → mass in grams
moles * molar mass
3
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#of atoms → moles
atoms / 6.022 × 10²³
4
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mass → atoms
(mass in g/molar mass)(6.022 × 10²³)
5
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moles → atoms
(moles)(6.022 × 10²³)
6
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its a sigfig when…
zeros after nonzeros (ex 20.00, 4 sigfigs)
7
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how should we round w sigfigs?
by the fewest amt
8
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leading zeros are….
not sigfigs
Note 
Flashcards (80)