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alydrue2798 alydrue2798
  • 15-02-2017
  • Chemistry
Answered

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

Verified Answer :

Hansaja Hansaja
  • 18-02-2017

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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