Calculate the pH of 0.01 M sulphuric acid.

Calculate the pH of a solution obtained by mixing equal volumes of solutions with pH = 3 and pH=5.

Calculate pH and pOH of 0.01 M HCl solution.

It has been found that the pH of a 0.01 M solution of an organic acid is 4.15. Calculate the concentration of the anion, the ionization constant of the acid and its pK_a .

Calculate the pH of 2.5 xx 10^(-4) M HCl solution.

Calculate the pH of a solution formed by mixing 0.2M NH_4CI and 0.1M NH_4OH . The pK_b of NH_4OH is 4.75.

Calculate the pH of buffer solution composed of 0.1M weak base BOH and 0.2M of its salt BA. [K_b = 1.8 xx 10^(-5) for the weak base]