$\"\"$

The acidity model formula $\"\"$ .

Theconcentration of hydrogen ion, $\"\"$ .

Consider $\"\"$ . \ \

Substitute the value $\"\"$ in above function. \ \

$\"\"$

Apply product property of logarithm : $\"\"$ .

$\"\"$

Apply power property of logarithm : $\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

The value of $\"\"$ .