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OpenStudy (anonymous):
How many moles of bromine (Br) atoms are in a sample of 2.03 × 1024 atoms?
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OpenStudy (australopithecus):
Use Avogadro number 6.02214129(27)×1023 atoms/mol^(−1) Just setup a ratio so that units cancel
OpenStudy (australopithecus):
oops iAvogadro number is 6.02214129(27)×1023 atoms/mol
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