
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:questions below.
11. What is the pH of a 0.15 mol/L solution of
NaNO₂(aq), given that K₂ = 7.2 x 10-4?
Consider the following reaction:
12.
H₂PO4(aq) + H₂O(l) ⇒ H₂PO4 (aq) + H3O+(aq)
a. Identify the conjugate acid-base pairs.
b. Draw diagrams of each molecule and ion and
indicate the proton transfer for the conjugate
acid-base pairs identified in part (a).
13. KU The bicarbonate ion, HCO3(aq), can act as an
acid or a base.
a. Write equations to show each behaviour of the ion.
b. What is the name given to this type of ion?
14.
What is the hydroxide ion concentration in a
solution of 0.45 mol/L hydrochloric acid, a strong acid?
15. Morphine is
found in opium poppy
flowers, shown in the
photograph. Morphine
is a weak base used as a
very powerful
painkiller. It has a K
value of 7.47 x 10-7.
20.
Determine the pH and
Oll of 0.035
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