Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question

1. The amount of phosphorus present in a sample at a given time is given by the following equation:
?? = ?0?−0.03?
What percent of the initial amount of phosphorus is left after 25 days of decay?
2. If there are 37 kg of the element left after 25 days, in problem no. 1, what was the initial amount of the element?

round off final answers to four decimal places. complete solution

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