6. Acid/base titration is a common method to determine the molarities of acids or bases, the molarity of certain salts can also be determined by titration. It took 22.34 mL of 0.5861 M HCI solution to neutralize 25.00 mL NaNO₂ solution. The acid- dissociation constant of HNO₂ is 4.511 × 10-¹. NaNO₂ + HCl → HNO₂ + NaCl Please answer the following questions. A What is pH of the NaNO₂ solution before titration? Hint, calculate the molarity of the NaNO₂ solution first. pH = Please provider your answer below. 0₂ ← D. A Check answer B. What is the pH when 12.78 mL of 0.5861 M HCI solution was added to the NaNO₂ solution? pH = Please provider your answer below. 0² 0₂ ( → ← t Check answer C. What is the pH when 14.39 mL of 0.5861 M HCl solution was added to the NaNO₂ solution AFTER the equivalence point? pH = (0) A Please provider your answer below. 0₂ ← → Check answer What is the pH at equivalence point at 25 °C? pH = Please provider your answer below.

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ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 13Q: An acid is titrated with NaOH. The following beakers are illustrations of the contents of the beaker...
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Question
6.
Acid/base titration is a common
method to determine the molarities of acids or bases,
the molarity of certain salts can also be determined
by titration.
It took 22.34 mL of 0.5861 M HCl solution to
neutralize 25.00 mL NaNO₂ solution. The acid-
dissociation constant of HNO₂ is 4.511 × 10-¹.
NaNO₂ + HCl → HNO₂ + NaCl
Please answer the following questions.
A
What is pH of the NaNO₂ solution before
titration? Hint, calculate the molarity of the
NaNO₂ solution first. pH =
Please provider your answer below.
(
Check answer
7²²
B.
M HCl solution was added to the NaNO2
solution? pH =
00 0
Please provider your answer below.
What is the pH when 12.78 mL of 0.5861
(0)
Check answer
C.
What is the pH when 14.39 mL of 0.5861
M HCl solution was added to the NaNO₂
solution AFTER the equivalence point? pH =
Please provider your answer below.
00 0
°C? pH=
Please provider your answer below.
Check answer
What is the pH at equivalence point at 25
A
→ ←
Check answer
←
$
H
$
Transcribed Image Text:6. Acid/base titration is a common method to determine the molarities of acids or bases, the molarity of certain salts can also be determined by titration. It took 22.34 mL of 0.5861 M HCl solution to neutralize 25.00 mL NaNO₂ solution. The acid- dissociation constant of HNO₂ is 4.511 × 10-¹. NaNO₂ + HCl → HNO₂ + NaCl Please answer the following questions. A What is pH of the NaNO₂ solution before titration? Hint, calculate the molarity of the NaNO₂ solution first. pH = Please provider your answer below. ( Check answer 7²² B. M HCl solution was added to the NaNO2 solution? pH = 00 0 Please provider your answer below. What is the pH when 12.78 mL of 0.5861 (0) Check answer C. What is the pH when 14.39 mL of 0.5861 M HCl solution was added to the NaNO₂ solution AFTER the equivalence point? pH = Please provider your answer below. 00 0 °C? pH= Please provider your answer below. Check answer What is the pH at equivalence point at 25 A → ← Check answer ← $ H $
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