42 The half-life of 1K is 12.5 hrs. How much will remain after 65 hrs if the original 19- sample contained 256 g of K? 19 7.0 g 11 g 20 g 24 g 17 g
42 The half-life of 1K is 12.5 hrs. How much will remain after 65 hrs if the original 19- sample contained 256 g of K? 19 7.0 g 11 g 20 g 24 g 17 g
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter24: Nuclear Chemistry
Section: Chapter Questions
Problem 82A
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