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sleet_krkn [62]
3 years ago
5

Determine the mass of oxygen in a 7.2- g sample of A l 2 (S O 4 ) 3 .

Chemistry
1 answer:
astraxan [27]3 years ago
7 0
Molar mass of A l 2 (S O 4 ) 3 = 342.15 g/mol
7.2g/ 342.15 g/mol
you can get number of moles.
then multiply that by12
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