Question

pH of a solution is 9. What is the concentration of H+ ions in it.

Answer 1

Answer:

If pH of solution is 9 , then its concentration is 10 ^-9 mol/l, or 0.000000001 mol of hydrogen ions.

Answer 2

Answer:

The hydrogen ion concentration is $=1 \times 10^{-9} \mathrm{mol} . d \mathrm{m}^{-3}$

Explanation:

• The pH of a solution indicates the hydronium ion concentration. The pH scale ranges from one to fourteen.
• If a solution hydronium concentration is present in between one to 6.9 are called acids.
• If a solution hydronium concentration is present in between 6.9 to 14 are called bases.
• If a solution hydronium concentration is seven are called neutral solution.

The pH formula is as follows below:

                  $p H=-\log \left[H^{+}\right]$

From the given pH of solution=9

                  $9=-\log \left[H^{+}\right]$

                  $=1 \times 10^{-9} \mathrm{mol} . d \mathrm{m}^{-3}$.