`pH 4 পেতে `0.2M NaAc` সমাধানের `50mL` এর সাথে `0.1M Hac` এর কত ভলিউম যোগ করতে হবে...

How much volume of 0.1M Hac should be added to 50mL of 0.2M NaAc solution to have a pH 4.91 ?

Calculate the pH of a solution which contains 100 mL of 0.1M HCI and 9.9 mL of 1.0M NaOH .

Calculate the normality of mixture obtained by mixing a. 100 mL of 0.1 N HCl + 50 mL of 0.25 N NaOH b. 100 mL of 0.2 M H_(2) SO_(4) + 200 mL of 0.2 M HCl c. 100 mL of 0.2 M H_(2) SO_(4) + 100 mL of 0.2 M NaOH d. 1g equivalent of NaOH + 100 mL of 0.1 N HCl

Calculate the pH of a solution which contains 100mL of 0.1 M HC1 and 9.9 mL of 1.0 M NaOH .

Calculate the pH of the following mixtures given (pK_(a) = pK_(b) = 4.7447) : a. 50mL 0.1 M NaOH +50mL 0.1MCH_(3)COOH b. 50mL 0.1 m NaOH +50mL 0.05 M CH_(3)COOH c. 50mL 0.05M NaOH +50mL 0.1 M CH_(3)COOH d. 50mL 0.1M NH_(4)OH +50mL 0.05 MHCI e. 50mL 0.05M NH_(4)OH +50mL 0.1 MHCI f. 50mL 0.05 M NH_(4)OH + 50mL 0.05 M CH_(3)COOH

pH of solution made by mixing 50mL of 0.2M NH_(4)CI and 75mL of 0.1M NaOH is[pK_(b) of NH_(3)(aq) = 4.74. log 3 = 0.47]

Calculate the pH of the following mixtures given K_(a) = 1.8 xx 10^(-5) and K_(b) = 1.8 xx 10^(-5) (pK_(a) = pK_(b) = 4.7447) . a. 50mL 0.05 M NaOH +50mL of 0.1 M CH_(3)COOH b. 50mL 0.1 M NH_(4)OH +50 mL of 0.05 MHCI