Calcium lactate is a salt of weak organic acid and strong base represented as `Ca(LaC)_(2).` A saturated solution of `Ca(LaC)_(2)` contains 0.13 mole in 0.5 litre solution. pOH of solution is 5.60. What is `pK_(a)` of lactic acid?

What is the mole fraction of solute in 2.5m aqueous solution .

If degree of dissociation is 0.01 of decimolar solution of weak acid HA then pK_(a) of acid is :

What is the pOH of 0.1 M KB (salt of weak acid and strong base) at 25^(@)C ? (Given : pK_(b) of B^(-) =7)

0.2 m aqueous solution of a weak acid is 20% dissociated. The boiling point of this solution is (K_(b) of water= 0.52Km^-1)

An aqueous solution at room temperature contains 0.1 M NH_(4)Cl and 0.01M NH_(4)OH (pK_(b)=5), the pH of the solution is :

Categorize the following compound as strong and weak acid and base: Ca(OH)_2

What is the normality of 0.5M aqueous solution of tribasic acid?

Calculate the pH of the following solutions: 0.02 mol of hydrochloric acid in 2L of solution.

Calculate the molarity of a solution containing 11.7 g of NaCl in 2.0 L solution. (M_(NaCl)=58.5 g mol^-1)

Fixed volume of 0.1 M benzoic acid (pK_(a)=4.2) solution is added into 0.2 M sodium benzoate solution and formed a 300 mL, resultant acidic buffer solution. If pH of this buffer solution is 4.5 then find added volume of benzoic acid :