A 100.0-ml, buffer solution is 0.170 mol L¹ in HClO and 0.165 mol L¹ in NaCIO. K₂ (HCIO) = 4.0 x 10-8 Part A What is the initial pH of this solution? Express your answer using two decimal places. Η ΑΣΦ pH = Submit Part B What is the pH after addition of 155.0 mg of HBr? Express your answer using two decimal places. 196] ΑΣΦ pH = Submit Part C Request Answer pH = What is the pH after addition of 55.0 mg of NaOH? Express your answer using two decimal places. [5] ΑΣΦ Submit Request Answer Request Answer ? ? ?
A 100.0-ml, buffer solution is 0.170 mol L¹ in HClO and 0.165 mol L¹ in NaCIO. K₂ (HCIO) = 4.0 x 10-8 Part A What is the initial pH of this solution? Express your answer using two decimal places. Η ΑΣΦ pH = Submit Part B What is the pH after addition of 155.0 mg of HBr? Express your answer using two decimal places. 196] ΑΣΦ pH = Submit Part C Request Answer pH = What is the pH after addition of 55.0 mg of NaOH? Express your answer using two decimal places. [5] ΑΣΦ Submit Request Answer Request Answer ? ? ?
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter8: Acids And Bases
Section: Chapter Questions
Problem 8.81P
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Question
![A 100.0-mL, buffer solution is 0.170 mol L¹ in HClO and 0.165 mol L-¹ in NaClO.
Ka(HCIO) = 4.0 x 10-8
Part A
What is the initial pH of this solution?
Express your answer using two decimal places.
V—| ΑΣΦ
pH =
Submit
Part B
What is the pH after addition of 155.0 mg of HBr?
Express your answer using two decimal places.
- ΑΣΦ
pH =
Submit
Part C
Request Answer
pH =
Submit
Request Answer
What is the pH after addition of 55.0 mg of NaOH?
Express your answer using two decimal places.
- ΑΣΦ
w
Request Answer
www
?
?
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Transcribed Image Text:A 100.0-mL, buffer solution is 0.170 mol L¹ in HClO and 0.165 mol L-¹ in NaClO.
Ka(HCIO) = 4.0 x 10-8
Part A
What is the initial pH of this solution?
Express your answer using two decimal places.
V—| ΑΣΦ
pH =
Submit
Part B
What is the pH after addition of 155.0 mg of HBr?
Express your answer using two decimal places.
- ΑΣΦ
pH =
Submit
Part C
Request Answer
pH =
Submit
Request Answer
What is the pH after addition of 55.0 mg of NaOH?
Express your answer using two decimal places.
- ΑΣΦ
w
Request Answer
www
?
?
?
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