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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

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 57P
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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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