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To calculate the percentage of the enol form in neat ethyl acetoacetate, we need to use the tautomeric constant (Kt) and the formula:
Enol Percentage = (Kt / (1 + Kt)) * 100.
Given that the tautomeric constant (Kt) for neat ethyl acetoacetate is 0.079, we can substitute this value into the formula:
Enol Percentage = (0.079 / (1 + 0.079)) * 100.
Calculating this expression step by step:
Enol Percentage = (0.079 / 1.079) * 100.
Enol Percentage = 0.073 * 100.
Enol Percentage = 7.3%.
Therefore, the percentage of the enol form in neat ethyl acetoacetate is 7.3%.