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What is the pH of 0.10 M HNO2 given Ka = 4.5x10-4.

  • chemistry - ,

    HNO2 ==> H^+ + NO2^-

    Ka = (H^+)(NO2^-)/(HNO2)
    Set up an ICE chart and substitute into Ka. Solve for H^+, then convert to pH.

  • chemistry - ,

    I got 2.17 as my final answer. Is that correct?

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