229778 The pH of the aqueous solution containing 0.49 g of $\mathrm{H}_2 \mathrm{SO}_4$ in one litre is

229779 The $\mathrm{pH}$ of a solution is increased from 3 to 6 . Its $\mathrm{H}^{+}$ion concentration will be

229780 The $\mathrm{pH}$ of a $1 \mathrm{~L}$ solution is 2 . It is diluted with water till its $\mathrm{pH}$ becomes 4 . How many litres of water are added?

229782 The $\mathrm{pK}_{\mathrm{a}}$ of a weak acid is 4.8 . What should be the ratio of $\frac{[\text { acid }]}{[\text { salt }]}$, if a buffer of $\mathrm{pH}=5.8$ is required?

229778 The pH of the aqueous solution containing 0.49 g of $\mathrm{H}_2 \mathrm{SO}_4$ in one litre is

229779 The $\mathrm{pH}$ of a solution is increased from 3 to 6 . Its $\mathrm{H}^{+}$ion concentration will be

229780 The $\mathrm{pH}$ of a $1 \mathrm{~L}$ solution is 2 . It is diluted with water till its $\mathrm{pH}$ becomes 4 . How many litres of water are added?

229782 The $\mathrm{pK}_{\mathrm{a}}$ of a weak acid is 4.8 . What should be the ratio of $\frac{[\text { acid }]}{[\text { salt }]}$, if a buffer of $\mathrm{pH}=5.8$ is required?

229778 The pH of the aqueous solution containing 0.49 g of $\mathrm{H}_2 \mathrm{SO}_4$ in one litre is

229779 The $\mathrm{pH}$ of a solution is increased from 3 to 6 . Its $\mathrm{H}^{+}$ion concentration will be

229780 The $\mathrm{pH}$ of a $1 \mathrm{~L}$ solution is 2 . It is diluted with water till its $\mathrm{pH}$ becomes 4 . How many litres of water are added?

229782 The $\mathrm{pK}_{\mathrm{a}}$ of a weak acid is 4.8 . What should be the ratio of $\frac{[\text { acid }]}{[\text { salt }]}$, if a buffer of $\mathrm{pH}=5.8$ is required?

229778 The pH of the aqueous solution containing 0.49 g of $\mathrm{H}_2 \mathrm{SO}_4$ in one litre is

229779 The $\mathrm{pH}$ of a solution is increased from 3 to 6 . Its $\mathrm{H}^{+}$ion concentration will be

229780 The $\mathrm{pH}$ of a $1 \mathrm{~L}$ solution is 2 . It is diluted with water till its $\mathrm{pH}$ becomes 4 . How many litres of water are added?

229782 The $\mathrm{pK}_{\mathrm{a}}$ of a weak acid is 4.8 . What should be the ratio of $\frac{[\text { acid }]}{[\text { salt }]}$, if a buffer of $\mathrm{pH}=5.8$ is required?