The number of moles of `Ca(OH)_(2)` required to prepare 250 ml of solution with pH 14 (assuming complete ionization) is

Calculate the mass of Na_(2)CO_(3) required to prepare 250 ml of 0.5 N solution.

The amount phosphoric acid, (H_(3)PO_(4)) required to prepare 550 mL of 0.40 N solution (i) assuming complete neutralization (ii) assuming reduction to HPO_(3)^(2-) are respectively :

How many moles of Ca(OH)_(2) must be dissolved to produce 250 mL of an aqueous solution of pH 10.65 , assuming completer dissociation ?

Calculate the pH of 0.001 M solution of Ca(OH)_2 assuming complete ionisation.

Calculate the mass of anhydrous Na_2CO_3 required to prepare 250 ml 0.25 M solution .

Calculate the mass of anhydrous Na_2CO_3 required to prepare 250 ml 0.25 M solution .