The `pH` of `0.02 M NH_(4)Cl (aq) (pK_(b)=4.73)` is equal to

P^(H) of 0.02 M NH_(4)Cl solution is

A solution is prepared by mixing 100 ml of 0.1 M NH_(4) OH and 200 ml of 0.2 M NH_(4) Cl . pK_(b) of NH_(4) OH is 4.8 . Then the pH of the solution is

Calculate the pH of 0.5L of a 0.2 M NH_(4)Cl-0.2 M NH_(3) buffer before and after addition of (a) 0.05 mole of NaOH and (b) 0.05 mole of HCl . Assume that the volume remains constant.[Given: pK_(a) of NH_(3)=4.74]

Calculate the pH of 0.5L of a 0.2 M NH_(4)Cl-0.2 M NH_(3) buffer before and after addition of (a) 0.05 mole of NaOH and (b) 0.05 mole of HCl . Assume that the volume remains constant.[Given: pK_(a) of NH_(3)=4.74]

pH of an aqueous solution of 0.6M NH_(3) and 0.4M NH_(4)Cl is 9.4 (pK_(b) = 4.74) . The new pH when 0.1M Ca(OH)_(2) solution is added to it.

pH of an aqueous solution of 0.6M NH_(3) and 0.4M NH_(4)CI is 9.4 (pK_(b) = 4.74) . The new pH when 0.1M Ca(OH)_(2) solution is added to it.

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

The pH of a buffer solution of 0.1 M NH_(4)OH [ pK_(a)=4.0] and 0.1 M NH_(4)Cl is