4.6 is the pH of the juice if hydrogen ion concentration of a fruit juice is 2.5 x 10-5 M.
What is pH?
pH is the measure of acidity or alkalinity of a solution.
It is measured by taking negative logarithm of hydrogen ion concentration.
pH = -log [[tex]H^+[/tex]]
Given [tex][H^+][/tex] = 2.5 x [tex]10^-^5[/tex] M.
pH = -log [ 2.5 x [tex]10^-^5[/tex] M]
pH = 4.6
Hence, 4.6 the pH of the juice.
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