Problem: Consider the equation: Cr2O7 2 – + H + + I –       →      Cr 3+ (aq) + H2O + I 3 – Which coefficient would be needed to balance I –? a) 9               b) 7               c) 5               d) 14

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Consider the equation: Cr2O7 2 – + H + + I        →      Cr 3+ (aq) + H2O + I 3

Which coefficient would be needed to balance I ?

a) 9               b) 7               c) 5               d) 14

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