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March 26, 2017

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The concentration of HNO3 in a solution is 3.50 10-6 M.

What is the [H3O+] in the solution?
_______M
What is the [OH-] in the solution?
________ M
What is the pH of the solution?

What is the pOH of the solution?

  • chemistry - ,

    3.5E-6 is quite a dilute solution; however, I don't think that the H3O^+ contribution from H2O will be enough to significantly affect the numbers. Therefore,
    HNO3 ==> H^+ + NO3^-
    H3O^+ is concn HNO3 and pH -log(H^+).
    pH + pOH = pKw = 14.
    pOH = -log(OH^-)

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