The toxic compound 2,4-dinitrophenol has `K_(a)=10^(-4).` In an experiment, a buffer solution of 2,4-dinitrophenol was prepared with the pH adjusted to 5. Calculate the ratio of the concentrations of the dissociated ion to the undissociated acid:
It has been found that the pH of a 0.01M soluiton of an organic acid is 4.15 . Calculate the concentration of the anion, the ionization constant of the acid and its pK_(a) .
The pH of 0.1 M solution of an organic acid is 4.0. Calculate the dissociation constant of the acid.
K_a for HF is 3.2 xx 10^(-4) . Calculate the percentage of dissociation in 0.02 M HF solution.
The solubility of Sr(OH)_(2) at 298K is 19.23g//L of solution. Calculate the concentrations of strontium and hydroxyl ions acid the pH of the solution.
The H ion concentration of a solution is 4.75xx10^(-5) M. Then the OH ion concentration of the same solution is
The ionization constant of acetic acid is 1.74xx10^(-5) . Calculate the degree of dissociation of acetic acid in its 0.05M solution. Calculate the concentration of acetate ion in the solution and its pH .
By adding 6 grams of NaOH to a 500 mL of buffer solution, its pH value changes from 3.8 to 4.2. Calculate the buffer capacity.
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
