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pH the Power of H

The buffers o...

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The buffers of X and Y of pH=4 and ph=6 respectively are prepared from acid HA and the salts of NaA both the buffers are 0.5M in HA.What would be the pH of the solution obtained by mixing equal volumes of two buffer. (K_HA = 10^-5)

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Q. Two buffers,

(X)

(Y)

p H

4.0 and 6.0 respectively are prepared from acid HA and the salt

N a A

. Both the buffers are

0.50 M

of HA. What would be the pH of the solution obtained by mixing equal volumes of the buffers ?

K_{H A} = 1.0 \times 10^{- 5}

Q. A buffer solution is prepared by mixing equal concentration of acid ( ionisation constant

K_{a}

) and a salt. The pH of buffer is:

Q. For preparing a buffer solution of pH 6 by mixing sodium acetate and acetic acid, the ratio of the concentration of salt and acid should be (

K_{a}

10^{- 5}

)

Q. Buffer solution

A

of a weak monoprotic acid and its sodium salt in the concentration ratio

x : y

p H = (p H)_{1}

. Buffer solution

B

of the same acid and its sodium salt in the concentration ratio

y : x

p H = (p H)_{2}

(p H)_{2} - (p H)_{1} = 1

(p H)_{1} + (p H)_{2} = 9.5

100 mL

of a buffer solution contains

0.1 M

each of weak acid

H A

N a A

. How many grams of

N a O H

should be added to the buffer so that its pH becomes 6?

(K_{a} of HA = 10^{- 5})

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