# Which of the following is true for the solution with the pH=0?

the OH − ion concentration is smaller than the H+ ion concentration
the OH − ion concentration is greater than the H+ ion concentration
the OH − ion concentration is equal of the H+ ion concentration
Such solution doesn't exist
In chemistry, pH is a numeric scale used to specify the acidity or alkalinity of an aqueous solution. It is the negative of the logarithm to base 10 of the activity of the hydrogen ion .Traditionally the pH is being defined as: pH = - log10 [H+], where [H+] it is a H+ ions concentration in mol/dm^3 (M). So if pH = 0 this H+ ions concentration is 1 mol/dm^3 and the solution is strongly acidic.
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the OH − ion concentration is smaller than the H+ ion concentration
the OH − ion concentration is greater than the H+ ion concentration
the OH − ion concentration is equal of the H+ ion concentration
Such solution doesn't exist
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