Answer
b) NO₂⁻ (aq)
Work Step by Step
A Brønsted base is a proton acceptor, so NO₂⁻ is the right answer as it accepts a proton from HCl (a Brønsted acid) to become the HNO₂ (aq) acid.
Chemistry (4th Edition)
by Burdge, Julia
Published by
McGraw-Hill Publishing Company
ISBN 10:
0078021529
ISBN 13:
978-0-07802-152-7
Chapter 4 - Section 4.3 - Acid-Base Reactions - Checkpoint - Page 144: 4.3.2
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