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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Ionic Equilibrium

Olympiad workbook · NSEC · Ionic Equilibrium

The pH of the solution produced by complete consumption of 10 mL of...

The pH of the solution produced by complete consumption of 10 mL of 0.4 M NaOH to ' x ' mL of

0.5 \mathrm{MCH}_3 \mathrm{COOH}

was found to be 4.57. The value of

{ }^{\prime} \mathrmx^{\prime}(\mathrm{mL})

is \left(\right.

Given

-\mathrm{K}_{\mathrm{a}}

of \left.\mathrm{CH}_3 \mathrm{COOH}=1.8 \times 10^{-5}\right).

Options

A $12.0$
B $10.4$
C $19.8$
D $6.5$

Correct answer

C. $19.8$

Step-by-step solution

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