Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Writing and Balancing Nuclear Equations
A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.
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Chemistry

An unknown radioactive substance has a half-life of 3.20 hourshours . If 34.7 gg of the substance is currently present, what mass A0A0 was present 8.00 hours ago?

Express your answer with the appropriate units. 

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