A 20.00ml aliquot of a 0.75M solution of a weak acid at {:1.00x10^(-5) at 25deg C) is titrated with 0.500M NaOH. Determine the pH at the following volumes of NaOH : Volume NaOH = 17.50mL, pH = Ans = 5.15 Volume NaOH = 30.00mL, pH = ? Volume NaOH = 35.00mL, pH = ? Please help.

A 20.00ml aliquot of a 0.75M solution of a weak acid at {:1.00x10^(-5) at 25deg C) is titrated with 0.500M NaOH. Determine the pH at the following volumes of NaOH : Volume NaOH = 17.50mL, pH = Ans = 5.15 Volume NaOH = 30.00mL, pH = ? Volume NaOH = 35.00mL, pH = ? Please help.

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter16: Reactions Between Acids And Bases

Section: Chapter Questions

Problem 16.54QE

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

A 20.00ml aliquot of a 0.75M solution of a weak acid at
{:1.00x10^(-5) at 25deg C) is titrated with 0.500M
NaOH. Determine the pH at the following volumes of
NaOH: Volume NaOH = 17.50mL, pH = Ans = 5.15
Volume NaOH = 30.00mL, pH = ? Volume NaOH
= 35.00mL, pH = ? Please help .

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Step 3: Calculating the pH when volume of NaOH is 30.00 mL

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Step 4: Calculating the pH when volume of NaOH is 35.00 mL

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