Asked by lalt
The reaction equation below shows the formation of aluminum oxide. Which set of coefficients balances the equation?
Al + O2 ?Al2O3
A. 1,1,1
B. 2,3,5
C. 2,4,5
D. 4,3,2
.
can someone help me pleaseee!!
Al + O2 ?Al2O3
A. 1,1,1
B. 2,3,5
C. 2,4,5
D. 4,3,2
.
can someone help me pleaseee!!
Answers
Answered by
DrBob222
This equation is balanced by trial and error. When you see an uneven set of numbers (O2 on one side and O3 on the other you almost KNOW you must start by looking at a common denominator type. So start by 3O2 and 2Al2O3. Then finish.
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