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A first order reaction has a specific ra...

A first order reaction has a specific rate of `10^(-3) "sec"^(-1)` . How much time will it take from 10 g the rectant to reduce to `7.5 g (log 2 = 0.3010 , log 4= 0.6020 and log 6 = 7782 )`?

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The correct Answer is:
287.7 s
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