問題詳情

3.Half-life for disintegration of radium is 1590 years. Calculate the rate constant in s-1. Also, how many years will be taken for thedisintegration of 80 % ? (Hint: First-order reaction.)

參考答案

答案:D
難度:簡單0.768392
統計:A(18),B(27),C(5),D(282),E(0)

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