Question

44 . How many of the following will raise the \( \mathrm{pH} \) of a weak acid \( \mathrm{HA} \) in aqueous solution? I. addition of water II. making a buffered solution by adding \( \mathrm{NaA}(s) \) III. addition of \( \mathrm{NaCl}(s) \) IV. addition of \( \mathrm{HNO}_{3} \) V. titrating with \( \mathrm{KOH} \) A) 1 B) 2 C) 3 D) 4 use Info below to Ansoer Questions 45-49

          44 . How many of the following will raise the \( \mathrm{pH} \) of a weak acid \( \mathrm{HA} \) in aqueous solution?
I. addition of water
II. making a buffered solution by adding \( \mathrm{NaA}(s) \)
III. addition of \( \mathrm{NaCl}(s) \)
IV. addition of \( \mathrm{HNO}_{3} \)
V. titrating with \( \mathrm{KOH} \)
A) 1
B) 2
C) 3
D) 4
use Info below to Ansoer Questions 45-49

44 . How many of the following will raise the pH of a weak acid HA in aqueous solution?
I. addition of water
II. making a buffered solution by adding NaA(s)
III. addition of NaCl(s)
IV. addition of HNO3
V. titrating with KOH
A) 1
B) 2
C) 3
D) 4
use Info below to Ansoer Questions 45-49

Added by Monica M.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Anthony Han

Step 1

The pH of a solution is a measure of its acidity or alkalinity. For a weak acid \( \mathrm{HA} \), the pH is determined by the concentration of \( \mathrm{H}^+ \) ions in the solution. Adding substances that reduce the concentration of \( \mathrm{H}^+ \) ions or Show more…

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