C6H12 + 9O2 ---> 6 CO2 + 6H2O

C6H12 + 12O2 ----> 6CO2 + 12H2O
which is correct?

3 answers

also this one

Al2(CO3)3 -->>> Al2O3 + 3CO2

2Al2(CO3)3----->>2Al2O3 + 6CO2
Which is right? what is the difference?
#1 on 1
#1 on 2. Actually, both of the two last ones are balanced but the second one is just twice the first one. The correct one ALWAYS will be the smallersmallest set of coefficients.
thanks for the help!
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