Answer
The pH is less than 7.
Work Step by Step
When hydrogen fluoride acid is dissolved in pure water; it forms hydrogen ions.
HF + H2O --> H3O+ + F-
HF loses an H+, which means the level of H+ ions increased in the solution.
Biology 2010 Student Edition
by Miller, Kenneth R.; Levine, Joseph S.
Published by
Prentice Hall
ISBN 10:
9780133669510
ISBN 13:
978-0-13366-951-0
Chapter 2, The Chemistry of Life - 2.2 - Properties of Water - 2.2 Assessment - Page 44: 3b
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