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ph is defined as the negative log10 of the hydrogen ion activity, ah , although general chemistry texts commonly express it in terms of the hydronium ion concentration. thus, ph



Answer :

The pH is calculated as 3.23.

Calculation

It is given that,

{H3O+} = 5.79 X 10^-4M

We know that pH is basically the negative log10 of the hydrogen ion.

this means,

Thus, pH = [tex]-log_{10}[/tex] [[tex]H_{3}[/tex][tex]O^{+}[/tex]]

Then putting the value of [[tex]H_{3}[/tex][tex]O^{+}[/tex]]

pH = [tex]-log_{10}[/tex] (5.39 x [tex]10^{-4}[/tex])

pH = 3.23

What is pH?

In chemistry, the pH scale is used to define the acidity or basicity of an aqueous solution. Historically, pH stood for "potential of hydrogen."

The pH values of acidic solutions are typically lower than those of basic or alkaline solutions.

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Complete question

PH is defined as the negative log10 of the hydrogen ion activity, aH+, although general chemistry texts commonly express it in terms of the hydronium ion concentration. Thus, pH = −log10 [H3O+], where [H3O+] represents the concentration of H3O+ in units of moles per liter (M). Calculate the pH or [H3O+], as required, for the following solutions. {H3O+} = 5.79 X 10^-4M

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