Asked by Disney man

Is the relative Formula mass for Aluminium Oxide simply :

Al = 27 , O = 16


27+16 = 43?
Answered by DrBob222
No, the formula for aluminum oxide is Al2O3; therefore, formula mass is
(2*27) + (3*16) = ??
Answered by You are wrong.
Incredibly wrong. It is compared to the carbon 12 ion, which should be obvious. Go back to school.
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