How many gm of solid KOH must be added to 100 mL of a buffer solution to make the pH of solution 6.0, if it is 0.1 M each w.r.t. acid HA and salt K A.
`[Given : pK_(a)(HA)=5]`

10 ml of 0.2 M acid is added to 250 ml of a buffer solution with pH = 6.34 and the pH of the solution becomes 6.32 . The buffer capacity of the solution is :

10 ml of 0.2 M acid is added to 250 ml of a buffer solution with pH = 6.34 and the pH of the solution becomes 6.32 . The buffer capacity of the solution is :

(b) What volume of 0.6 M sodium formate solution is required to prepare a buffer solution is required to prepare a buffer solution of pH 4.0 by mixing it with 100 ml of 0.8 M formic acid . (Given pK_(a) for formic acid is 3.75).

How much volume of 0.2 M solution of acetic acid shouls be added to 100 ml of 0.2 M solution of sodium acetate to prepare a buffer solution of pH 5.00 ? pK_(a) for acid is 4.74

How much volume of 0.2 M solution of acetic acid shouls be added to 100 ml of 0.2 M solution of sodium acetate to prepare a buffer solution of pH 5.00 ? pK_(a) for acid is 4.74

Fixed volume of 0.1M benzoic acid solution is added into 0.2 M soldium benzoate solution and formed a 300 ml, resultant acidic buffer solution. If pH of this buffer solution is 4.5 then find added volume of benzoic acid - (Given : pK_(a) benzoic acid =4.2)

A buffer solution contains 0.1 M each of acetic acid and sodium acetate. The pH of the buffer solution is (pK_(a)(CH_(3)COOH)=4.75) :

What volume of 0.2 M RNH_(3)CI solution should be added to 100 mL of 0.1 M RNH_(2) solution to produce a buffer solution of pH=8.7 ? [Given : pK_(b) of RNH_(2)=5 , log 2=0.3]

If the pH of a buffer solution containing 0.1 M of monoacidic base and 0.01 M of its salt is 10.5, the pK_(a) of conjugate acid is