this is a 3 part question You have a 272.5-ml. sample of 1.2 M acetic acid (Kg = 1.8 x 10). Calculate the pH after adding 0.008 mol of NaOH to 1.0 liter of the best buffer.Give your answer with 2 decimals.QUESTION 4Given 104.4 ml of a buffer that is 0.3 M in HOCI and 0.79 M in NaOCI, what is the pH after 12.8 ml. of 0.8 M NaOH has been added? (Kg for HOCI = 3.5x10Give your answer with 2 decimals.QUESTION 5What is the molarity of a sodium hydroxide solution if 20.2 mL of this solution reacts exactly with 25.2 ml of 0.274 M sulfuric acid?Give your answer with 3 decimals

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Answered: You have a 272.5-ml. sample of 1.2 M…

You have a 272.5-ml. sample of 1.2 M acetic acid (Kg = 1.8 x 10). Calculate the pH after adding 0.008 mol of NaOH to 1.0 liter of the best buffer.

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 95AP

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Question

this is a 3 part question

You have a 272.5-ml. sample of 1.2 M acetic acid (Kg = 1.8 x 10). Calculate the pH after adding 0.008 mol of NaOH to 1.0 liter of the best buffer.
Give your answer with 2 decimals.
QUESTION 4
Given 104.4 ml of a buffer that is 0.3 M in HOCI and 0.79 M in NaOCI, what is the pH after 12.8 ml. of 0.8 M NaOH has been added? (Kg for HOCI = 3.5x10
Give your answer with 2 decimals.
QUESTION 5
What is the molarity of a sodium hydroxide solution if 20.2 mL of this solution reacts exactly with 25.2 ml of 0.274 M sulfuric acid?
Give your answer with 3 decimals

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