Question: The time required to convert to a fraction of 0.7 for a first order reaction is ____

Options

A : t0.7 = frac{(0.7)}{C_{A0} k}

B : t0.7 = frac{(-0.7)}{C_{A0} k}

C : t0.7 = frac{(0.3)}{C_{A0} k}

D : t0.7 = frac{(-0.3)}{C_{A0} k}

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