Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 2 - Section 2.6 - Problem Solving Using Unit Conversion - Questions and Problems - Page 45: 2.55a

Answer

250 L of water is equal to 66 gallons of water.

Work Step by Step

1. Identify the conversion factors. - We need to convert from "L" to "gallons". Looking at the table 2.7 (Page 38), we can see that: $1 gal = 4 qt$ $1 L = 1.06 qt$ 2. Calculate the value of alcohol in milliliters, using the conversion factors: $250 L \times \frac{1.06 qt}{1L} \times \frac{1gal}{4qt} = 66.25 gal$ 3. Adjust the number to the correct number of significant figures. - The used number that has the fewest number of significant figures is "250", with 2. Therefore, the result of the multiplication must have 2 SFs. 66.25 gal= 66 gal
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