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4 September, 12:58

In chemistry, the pH of a solution is a measure of the acidity or alkalinity of a solution. Water has a pH of 7 and, in general, acids have a pH less than 7 and alkaline solutions have a pH greater than 7. Find the pH of a solution with a hydronium ion concentration of 7.8*10-2 moles/liter. Round your answer to two decimal places, if necessary.

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  1. 4 September, 16:18
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    pH = 1.11

    Explanation:

    pH = - log [H₃O⁺]

    pH = - log 7.8*10⁻²

    pH = 1.11

    It's totally an acidic solution.

    pH HAS NO UNITS
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