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Question 13: Fill in the missing values to two decimal places A 10.0 mL sample of 0.10 M HCI is added to 100.0 mL of a buffer that is 0.25 M in formic acid (HCO2H, Ka = 1.8E-4) and 0.15 M in sodium formate, NaCO2H. The initial pH of the buffer solution is The pH after adding the HCI is The decrease in pH is A 10.0 mL sample of 0.10 M KOH is added to 100.0 mL of a buffer that is 0.25 M in nitrous acid (HNO2, Ka = 4.6E-4) and 0.15 M in sodium nitrite, NaNO2. The initial pH of the buffer solution is The pH after adding the KOH is The increase in pH is

Question 13: Fill in the missing values to two decimal places A 10.0 mL sample of 0.10 M HCI is added to 100.0 mL of a buffer that is 0.25 M in formic acid (HCO2H, Ka = 1.8E-4) and 0.15 M in sodium formate, NaCO2H. The initial pH of the buffer solution is The pH after adding the HCI is The decrease in pH is A 10.0 mL sample of 0.10 M KOH is added to 100.0 mL of a buffer that is 0.25 M in nitrous acid (HNO2, Ka = 4.6E-4) and 0.15 M in sodium nitrite, NaNO2. The initial pH of the buffer solution is The pH after adding the KOH is The increase in pH is

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 7RQ: Sketch the titration curve for a weak acid titrated by a strong base. When performing calculations...
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Question 13: Fill in the missing values to two decimal places A 10.0 mL sample of 0.10 M HCI is added to 100.0 mL of a buffer that is 0.25 M in formic acid (HCO2H, Ka = 1.8E-4) and 0.15 M in sodium formate, NaCO2H. The initial pH of the buffer solution is The pH after adding the HCI is The decrease in pH is A 10.0 mL sample of 0.10 M KOH is added to 100.0 mL of a buffer that is 0.25 M in nitrous acid (HNO2, Ka = 4.6E-4) and 0.15 M in sodium nitrite, NaNO2. The initial pH of the buffer solution is The pH after adding the KOH is The increase in pH is
Transcribed Image Text:Question 13: Fill in the missing values to two decimal places A 10.0 mL sample of 0.10 M HCI is added to 100.0 mL of a buffer that is 0.25 M in formic acid (HCO2H, Ka = 1.8E-4) and 0.15 M in sodium formate, NaCO2H. The initial pH of the buffer solution is The pH after adding the HCI is The decrease in pH is A 10.0 mL sample of 0.10 M KOH is added to 100.0 mL of a buffer that is 0.25 M in nitrous acid (HNO2, Ka = 4.6E-4) and 0.15 M in sodium nitrite, NaNO2. The initial pH of the buffer solution is The pH after adding the KOH is The increase in pH is
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