Answer : The hydrogen ion concentration is, (B) [tex]3.2\times 10^{-5}M[/tex]
Explanation :
pH : It is defined as the negative logarithm of hydrogen ion concentration.
[tex]pH=-\log [H^+][/tex]
Given:
pH = 4.5
Now put the value of pH in the above expression, we get value of hydrogen ion concentration.
[tex]pH=-\log [H^+][/tex]
[tex]4.5=-\log [H^+][/tex]
[tex][H^+]=3.2\times 10^{-5}M[/tex]
Thus, the hydrogen ion concentration is, [tex]3.2\times 10^{-5}M[/tex]
