Balancing Chemical Equations Video Lessons

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Concept: Balancing Chemical Reactions

Problem: Balance the following combustion equation.___C6H12O2(l) + ___O2(g) → ___CO2(g )+ ___H2O(g)What is the stoichiometric coefficient for oxygen?A) 8B) 3C) 10 D) 4E) 6

FREE Expert Solution

We’re being asked to determine the coefficient of O2 when the given chemical equation is balanced.


Recall that when balancing chemical equations, we have to make sure that the number of elements on both sides is equal with the lowest whole number coefficients.


C6H12O2(l) + O2(g) → CO2(g )+ H2O(g)

C       6

H       12

O       4

C      1

H      2

O      3


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Problem Details

Balance the following combustion equation.

___C6H12O2(l) + ___O2(g) → ___CO2(g )+ ___H2O(g)

What is the stoichiometric coefficient for oxygen?

A) 8

B) 3

C) 10 

D) 4

E) 6


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