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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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rivatayah rivatayah
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11 years ago
This is continued from previous problems. My molecular formula was C12 H12 O10 and my empirical formula was C6 H10 O5? Do I need the molecular or empirical formula to write the balanced equation for the combustion?

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#1
11 years ago
You want the molecular:

C12H12O10 + O2 ---> CO2 + H2O

balance C

C12H12O10 + O2 ---> 12CO2 + H2O

balance H

C12H12O10 + O2 ---> 12CO2 + 6H2O

balance O

C12H12O10 + 10O2 ---> 12CO2 + 6H2O

Done!
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#2
11 years ago
balance it like a normal equation and then when you notice youve tried balancing everything you have to double the numbers
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