Calulate the hydronium ion concentration of a solution whose pH is 4.4.

The hydroxyl ion concentration in a solution having pH = 4 will be

Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.

Calculate, the potential of hydrogen electrode in contact with a solution whose PH is 10 .

The solubility of Sr (OH)_2 at 298 K is 19.23g/L of solution. Calculate the concentration of strontium and hydroxyl ions. What is its pH? (Atomic mass of Sr=87.6)

The 'p' H of a solution is 5.9. If the hydrogen ion concentration is decerased hundred xx, the solution will be

Copper can reduce zinc ions if the resultant copper ions can be kept at a sufficiently low concentration by the formation of an insoluble salt. What is the maximum concentration of Cu^(2+) in solution if this reaction is to occur, when Zn^(2+) is 1 molar?

It has been found thet pH of 0.01 M solution of an organic acid is 4.15. Calculate the concentration of the anion, the ionisation constant of the acid and its pKa.

A cell contains two hydrogen electrodes. The negative electrode is in contact with a solution of 10^-6 M hydrogen ions. The emf of the cell is 0.118V at 25^@C . Calculate the concentration of hydrogen ions at the positive electrode.

The pH of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ions in it.