`pH` of a mixture containing `0.10 M X^(-)` and `0.20 M HX` is: `[pK_(b)(X^(-))=4]`

The pH of a solution containing 0.1 M HCOOH and 0.050 M HCOONa (K_(a)= 2.0 xx 10^(-4)) is equal to

An aqueous solution at room temperature contains 0.1 M NH_(4)Cl and 0.01M NH_(4)OH (pK_(b)=5), the pH of the solution is :

An aqueous solution at room temperature contains 0.1 M NH_(4)Cl and 0.01M NH_(4)OH (pK_(b)=5), the pH of the solution is :

pH of a mixture which is 0. 1 M in CH_(3)COOH and 0.05 M in (CH_(3)COOH)_(2)Ba is [pK_(a) of CH_(3)COOH=4.74]

One litre a butter solution containing 0.01 M NH_(4)Cl and 0.1 M NH_(4)OH having pk_(b) of 5 has Ph of

An aqueous solution at room temperature contains 0.01 M NH_(4)Cl and 0.1M NH_(4)OH (pK_(b)=5), the pH of the solution is : a. 7.5 b. 10 c. 6.5 d. 6.8

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

pH of the solution containing 50.0 mL of 0.3 M HCl and 50.0 mL of 0.4 M NH_(3) is [Given pK_(a)(NH_(4)^(+))=9.26]

The pH of a solution at 25^(@)C containing 0.10 M sodium acetate and 0.03 M acetic acid is ( pK_(a) for CH_(3)COOH=4.57 )