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chemistry

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4.The Kb of ammonia, NH3, is 1.8x10^-5. What is the pH of a 2.000 millimolar solution of ammonia , to 3 significant digits.

  • chemistry - ,

    NH3 + HOH ==> NH4^+ + OH^-

    Kb = (NH4^+)(OH^-)/(NH3)
    Set up and ICE chart, substitute and solve for OH, then convert to pOH and to pH.

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