Calculate the pH of `0.2M` sodium butyrate, `(K_(a)` for butyric acid is `2.0xx10^(-5))`

Calculate the pH of 0.05M sodium acetate solution, if the pK_(a) of acetic acid is 4.74 .

Calculate the ratio of sodium formate and formic acid (K_(a)=2xx10^(-4)) in a buffer solution of pH=4.3.

a. Calculate the percentage hydrolysis of 0.003M aqueous solution of NaOH. K_(a) for HOCN = 3.3 xx 10^(-4) . b. What is the pH and [overset(Theta)OH] of 0.02M aqueous solution of sodium butyrate. (K_(a) = 2.0 xx 10^(-5)) .

A small quantity of phenolphthalein (an acid indicator) is added a decimolar solution of Sodium butyrate.Calculate the ratio of the ration of the coloured form of the indicator. K_(a) for butyric acid =1.5xx10^(-5),K for the indicator =3.075xx10^(10) and K_(W)=10^(-14) .Take log 1.23=0.09 .

Calculate the pH of 1.0xx10^(3) M solution of NaCI

The ionization constant of nitrous acid is 4.5xx10^(-4) . Calculate the pH of 0.04 M sodium nitrite solution and also its degree of hydrolysis.

Calculate the concentration of H_3O^(+) in a mixture of 0.03 M acetic acid and 0.1 M sodium acetate. Ionisation constant for acetic acid is 1.8 xx 10^(-5)

Calculate the hydrolysis constant. Degree of hydrolysis and pH of a 0.5 Sodium acetate solution at room temperature (K_a for acetic acid = 1.75 xx 10^(-5))

Find the pH at equivalence points when a soluiton of 0.1M acetic acid is titrated with a solution of 0.3M NaOH K_(a) for acetic acid =7.5xx10^(-6)

Calculate the pH of the following mixtures. Given K_(a) of CH_(3)COOH=2xx10^(-5) (a) 50mL of 0.10 M NaOH+50mL of 0.10 M HCl . (b) 50mL of 0.10 M NaOH+50mL of 0.10 M CH_(3)COOH