The `pK_(a)` of `HCN` is 9.30. The pH of a solutin prepared by mixing `2.5` moles of `KCN` and `2.5` moles of `HCN` in water and making up the total volume to `500 mL` is

The pKa of HCN is 9.30. The pH of a solution prepared by mixing 2.5 moles of KCN and 2.5 moles of HCN in water and making up the total volume of 500 ml is :

The pK_(b) of CN^(Theta) is 4.7 . The pH is solution prepared by mixing 2.5 mol of 2.5 mol of KCN of 2.5 mol of HCN in water and making the total volume upto 500mL is

The pK_(b) of CN^(Theta) is 4.7 . The pH is solution prepared by mixing 2.5 mol of 2.5 mol of KCN of 2.5 mol of HCN in water and making the total volume upto 500mL is

The dissociation constant of HCN is 5 xx 10^(-10) . The pH of the solution prepared by mixing 1.5 mole of HCN and 0.15 moles of KCN in water and making up the total volume to 0.5 dm^(3) is

The dissociation constant of HCN is 5 xx 10^(-10) . The pH of the solution prepared by mixing 1.5 mole of HCN and 0.15 moles of KCN in water and making up the total volume to 0.5 dm^(3) is

The pH of a solution prepared by mixing 2.0 mL of HCI solution of pH 3.0 and 3.0 mL of NaOH of pH 10.0 is

The pH of a solution prepared by mixing 2.0 mL of HCI solution of pH 3.0 and 3.0 mL of NaOH of pH 10.0 is

Find the pH of a solution prepared by mixing 25ml of a 0.5M solution of HCI,10ml of a 0.5M solution of NaOH and 15 ml of water :-