Question

What is the pH of a solution with [H+] = 1.25 mc015-1.jpg 10–10 M?

Answer 1

Answer : The pH of a solution is, 9.903

Explanation : Given,

Concentration of hydrogen ion = $1.25\times 10^{-10}M$

pH : It is defined as the negative logarithm of hydrogen ion concentration.

Formula used :

$pH=-\log [H^+]$

Now put the value of hydrogen ion concentration in this formula, we get the pH of a solution.

$pH=-\log (1.25\times 10^{-10})$

$pH=9.903$

Therefore, the pH of a solution is, 9.903

Answer 2

[ H+]=10-pH
it become
[H+]=0.1