The hydronium ion concentration of a pH = 9.2 of solution is 6.3 × 10⁻¹⁰M.
pH of the solution is define as the negative logarithm of the concentration of the hydronium ion as:
pH = -log[H⁺]
Or [H⁺] = [tex]10^{-pH}[/tex]
Given that pH value = 9.2
On putting values, we get
[H⁺] = [tex]10^{-9.2}[/tex] = 6.3 × 10⁻¹⁰M
Hence required concentration of hydronium ion is 6.3 × 10⁻¹⁰M.
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