An isotope of sodium 24Na, has a half-life of 15 hours. A sample of this isotope has

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An isotope of sodium 24Na, has a half-life of 15 hours. A sample of this isotope has mass 2 g.
(a) Find the amount remaining after 60 hours.
(b) Find the amount remaining after hours.
(c) Estimate the amount remaining after 4 days.
(d) Use a graph to estimate the time required for the mass to be reduced to 0.01 g.
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Chemical Principles

ISBN: 978-1111580650

7th edition

Authors: Steven S. Zumdahl, Donald J. DeCoste

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