What is the sum of the coefficients when the following equation is balanced with lowest integers? c6h12o6 + o2 → co2 + h2o a) 7 b) 12 c) 16 d) 19

The sum of the coefficients with the lowest integer  when the equation is balanced is 6 + 6 + 6 = 18

If the equation is

6 CO2 + 7 H2O → C6H12O6 + 6 O2 + H2O  . The sum of the equation is 6 + 7 + 6 = 19 which is D

Explanation:

The reaction above is a combustion reaction  where D-fructose react with oxygen molecule to produce carbon dioxide and water .

For the equation to be balance the number of atoms of elements on the reactant (left side) needs to be equal to that on the product(right side).

According to the question, it requires the sum of the lowest coefficient value which will balance the equation.  The balanced equation is as follows;

C6H12O6 + 6O2 → 6CO2 + 6H2O

Note that the coefficients of the equation is the number in front of each compounds. For example, the coefficients of 6O2  is 6. And the coefficients is what is use to balance chemical equations.

The sum of the coefficients is 6 + 6 + 6 = 18

If the equation is

6 CO2 + 7 H2O → C6H12O6 + 6 O2 + H2O  . The sum of the equation is 6 + 7 + 6 = 19 which is D

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