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Electrolysis and Electrolytes

pH of 0.2 M s...

Question

pH of 0.2 M sodium acetate solution is (pKa of CH3COOH is 4.74)?

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Q. Calculate the

p H

of buffer solution prepared by mixing

50

0.1

M sodium acetate and

25

0.2

C H_{3} C O O H

p K_{a}

C H_{3} C O O H

4.8

.

p H

of a solution which is 0.1 M sodium acetate and 0.01 M acetic acid

(p K_{a} = 4.74)

Q. How much should sodium acetate be added to 0.1 M solution of

C H_{3} C O O H

to give a solution of

p H = 5.5

p K_{a}

C H_{3} C O O H = 4.5

p H

of a solution obtained by mixing

100 m L

0.2 M

C H_{3} C O O H

100 m L

0.2 M N a O H

p K_{a} f o r C H_{3} C O O H = 4.74

)

Q. The pH of a solution which is

0.1 M

sodium acetate and

0.01 M

(p K_{a} = 4.74)

(Write the value to the nearest integer)

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