Question

What is the [H+] in a solution if the [OH-] = 5.42 x 10-5 M

Answer 1

The hydrogen ion concentration is  $\rm[H^{+} ] = 1.8 \times 10^{-10}$ M .

What is pH scale ?

The pH scale is used to rank solutions in terms of how acidic or how basic they are.

It indicates the concentration of hydrogen ions (H+) and hydroxide ions (OH-) in a solution.

These ion concentrations are equal in pure water, which has a pH of 7.

The hydrogen ion and hydroxide ion are related as

$\rm[H^{+} ] = \dfrac{1 \;\times 10^{-14} }{[OH^{-}] }$

$\rm[H^{+} ] = \dfrac{1 \;\times 10^{-14} }{[5.42\times10^{-5} ] }$

$\rm[H^{+} ] = 1.8 \times 10^{-10}$ M

The hydrogen ion concentration is  $\rm[H^{+} ] = 1.8 \times 10^{-10}$ M .

To know more about pH scale

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