General Chemistry (4th Edition)

Published by University Science Books
ISBN 10: 1891389602
ISBN 13: 978-1-89138-960-3

Chapter 1 Chemistry and the Scientific Method - Problems: 25

Answer

$-0.617\%$

Work Step by Step

$$\text{percentage error}=\mid\frac{\text{average value}-\text{true value}}{\text{true value}}\mid\cdot 100=\mid\frac{128.7^{\ \circ}C-129.5^{\ \circ}C}{129.5^{\ \circ}C}\mid \cdot 100=0.617\%$$
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