Answer : The hydronium ion concentration of a solution is [tex]2.51\times 10^{-4}M[/tex].
Solution : Given,
pH = 3.60
pH : It is defined as the negative logarithm of hydronium ion concentration.
Formula used :
[tex]pH=-log[H_3O^+][/tex]
Now put all the values in this formula, we get
[tex]3.60=-log[H_3O^+]\\[/tex]
[tex][H_3O^+]=antilog(-3.60)[/tex]
[tex][H_3O^+]=0.000251=2.50\times 10^{-4}[/tex]
Therefore, the hydronium ion concentration of a solution is [tex]2.51\times 10^{-4}M[/tex].