Answer
57.3%
Work Step by Step
$\frac{58.2 + 56.474}{2}=57.337$
round to three sig. figs. -- 57.3
Chemistry 10th Edition
by Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.
Published by
Brooks/Cole Publishing Co.
ISBN 10:
1133610668
ISBN 13:
978-1-13361-066-3
Chapter 1 - The Foundations of Chemistry - Exercises - Measurements and Calculations - Page 38: 42
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