Calculate the pH of decimolar solution sulphuric add.

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]

Calculate the pH of buffer solution containing 0.05mol NaF per litre and 0.015 mol HF per litre. [K_a = 7.2 xx 10^(-4) for HF] .

Assuming complete dissociation, calculate the pH of the following solutions: 0.002 M KOH

Assuming complete dissociation, calculate the pH of the following solutions:0.005 M NaOH

What is the density of solution of sulphuric acid used as an electrolyte in lead accumulator ?