How many h+ ions are present in 2 ml of a solution whose ph is 3?
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pH 13 of 1000 ml solution contains 10^-13 M H+. No. of H+ ions in 1 mole = NA (Avogadro's no.) Hence, no of H+ ions in 'y' moles = 6.023 x 10^23 x 10^-13 x 10^-3 = 6.023 x 10^7 ions.
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