Question

The $pH$ of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ion in it.

Answer 1

The pH of a solution is the negative logarithm of hydrogen ion concentration.

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

$3.76=-log\left[H^{+}\right]$

$\left[H^{+}\right]=1.7\times {10}^{-4}M$