The number of moles of hydroxide ions $(O{H}^{-})(OH^-\; )$ produced from 2 moles of $N{a}_{2}C{O}_{3}Na\_2CO\_3$ is

The $pOHpOH$ value for solution is 4, its hydrogen ion concentration will be

If an acid is diluted

pH of a solution is 13. $H^{+}H^+$ ions present in 1 $c{m}^{3}cm^3$  of the solution is

pH of blood is maintained constant by mechanism of

The pH of 0.05 M solution of dibasic acid is

The pH of a 0.63% nitric acid solution is (Equivalent weight of nitric acid is 63)

100 ml of 0.01 M solution of NaOH is diluted to 1 $d{m}^{3}dm^3$ . What is the pH of the dilute solution?

If the $H^{+}H^+$ ion concentration in a solution is 0.01 M, the pOH of the solution is

If the pH value of a solution is zero, the solution is