The isotope 198 79 Au (atomic mass = 197.968 u) of gold has a half-life of 2.69

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The isotope ¹⁹⁸₇₉Au (atomic mass = 197.968 u) of gold has a half-life of 2.69 days and is used in cancer therapy. What mass (in grams) of this isotope is required to produce an activity of 315 Ci?

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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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Question Posted: Feb 14, 2017 03:09 AM

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The isotope 198 79 Au (atomic mass = 197.968 u) of gold has a half-life of 2.69

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The mass m of a substance is equal to the number n of moles times the mass per mole see Section 141 ...View the full answer

Physics

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