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A first order reaction is `50%` completed in `1.26 xx 10^(14)`s. How much time would it take for `100%` completion?

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A first order reaction is `50%` completed in `1.26 xx 10^(14)`s. How much time would it take for `100%` completion?
A. `1.26 xx 10^(15)`s
B. `2.52 xx 10^(14)`s
C. `2.52 xx 10^(28)` s
D. infinite
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by (34.7k points)
Correct Answer - D
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