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an unknown solution has a h3o concentration of 2.5 x 10-7 m. what is the ph of the solution and would it be classified as an acid or a base?

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Step-by-step explanation:

pH is defined as the negative logarithm of the hydrogen ion or hydroxonium ion concentration of a solution. That is;


\bold{pH = -log([{H_3O}^(+)])}

From the question


[{H_3O}^(+)] = 2.5 × 10-⁷ M


pH = - log(2.5 * {10}^( - 7) ) \\ = 6.602

From the results the solution can be classified as acidic since it's pH is below 7 that's the neutral region

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