Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 1 - Chemical Foundations - Active Learning Questions: 13

Answer

Total Volume: 3.2 mL The first beaker limits the precision of the number since its measurements are limited to one decimal place.

Work Step by Step

Reading the meniscus of each beaker, you find the first beaker to contain 2.9 mL of liquid and the second beaker to contain 0.28 mL of liquid. Adding the two values together, you get $2.9$ mL $+ 0.28$ mL $=3.18$ mL. However, since the first beaker's measurement is limited to one decimal place, the value representing the total amount of liquid cannot exceed 1 decimal place. Hence, the answer is $3.2$ mL.
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