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An HNO3(aq) solution has a pH of 1.61. What is the molar concentration of the HNO3(aq) solution?

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Chemistry

An HNO3(aq) solution has a pH of 1.61. What isthe molar concentration of the HNO3(aq)solution?

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4.3 Ratings (997 Votes)

                PH   = 1.61

             -log[H+] = 1.61

                  [H+]   = 10-1.61   

                 [H+]    = 0.0245M

               HNO3---------> H+   + NO3-

              0.0245M         0.0245M

         [H+]   = [HNO3]

        [HNO3} = [H+]

         [HNO3]   = 0.0245M
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