3A+4B-----2C is found to be second order with respect to A and the rate constant for the reaction is k = 1.56* 10^ {-5}k=1.56∗10−5 \frac{L}{mole\cdot\sec}mole⋅secL​. If the initial concentration of A is 0.86 M0.86M how much many seconds will be required for the concentration of A to reach 0.46 M0.46M   you can input your answer as a whole number

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