A 0.015 M solution of a weak acid has a pH of 3.52 . What is the value of the `K_a` for this acid?

The pH of 0.1 M solution of a weak acid is 3. What is the value of the ionisation constant for the acid?

A 0.10 M solution of weak acid is 5.75% ionized. What is the K_a value for this acid ?

pH of a 0.1M HCN solution is 5.2. What is the value of Ka for the acid?

The pH of a 2 M solution of a weak monobasic acid (HA) is 4. What is the value of the Van’t Hoff factor?

The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionisation constant K_a of this acid is

The pH of 0.01 M solution of acetic acid is 5.0. What are the values of [H^(+)] and K_(a) respectively?

A 0.1 M solution of weak acid HA is 1% dissociated at 25^@C. What is the Ka ? If this solution is with respect to NaA 0.2M, what will be new degree of dissociation of HA and pH?

The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionization constant, K_(a) of this acid is :