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Nernst Equation

The pH of a s...

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The pH of a solution at 25 degree Celsius containing 0.20 M sodium acetate and 0.06 M acetic acid is (pKa for CH3COOH = 4.74 and log 3 = 0.477) a) 4.36 b) 5.26 c) 5.84 d) 6.32

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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)

Q. A buffer solution contains 0.1

M

of acetic acid and 0.1

M

of sodium acetate. What will be its

p H

p K_{a}

of acetic acid is 4.75

?

Q. A hydrogen electrode placed in a solution containing sodium acetate and acetic acid in the ratio of

x : y

y : x

has an electrode potential value

E_{1}

E_{2}

volts, respectively, at

25^{\circ} C

p K_{a}

value of acetic acid is:

Q. A hydrogen electrode placed in a solution containing sodium acetate and acetic acid in the concentration ratios of

x : y

y : x

has electrode potential values

E_{1}

E_{2}

volts, respectively, at

25^{\circ} C

p K_{a}

value of acetic acid is:

p K_{a}

for acetic acid is

4.74

. What should be the ratio of concentration of acetic acid and acetate ions to have a solution with

p H 5.74

?

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