Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case.
When the equation for the reaction represented above is balanced and all coefficients are reduced to lowest whole-number terms, the coefficient for is
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Since there are three atoms and two atoms on the left side of the equation, the number of on the right side must be divisible by and by . The coefficient for is at least . If it is , then there are , , and . These numbers do indeed result in a balanced equation where the coefficients are the lowest whole numbers possible.