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KNO2 is a strong salt : KNO2 >> K+ + NO2- NO2- + H2O <----> HNO2 + OH- K
= Kw/Ka =2.5 x 10^-11 = x^2/ 0.12-x x = [OH-]= 1.7 x 10^-6 M pOH =5.8 pH = 14 - 5.8 = 8.2
Solution
KNO2 is a strong salt : KNO2 >> K+ + NO2- NO2- + H2O <----> HNO2 + OH- K
= Kw/Ka =2.5 x 10^-11 = x^2/ 0.12-x x = [OH-]= 1.7 x 10^-6 M pOH =5.8 pH = 14 - 5.8 = 8.2

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KNO2 is a strong salt KNO2 K+ + NO2- NO2- +.pdf

  • 1. KNO2 is a strong salt : KNO2 >> K+ + NO2- NO2- + H2O <----> HNO2 + OH- K = Kw/Ka =2.5 x 10^-11 = x^2/ 0.12-x x = [OH-]= 1.7 x 10^-6 M pOH =5.8 pH = 14 - 5.8 = 8.2 Solution KNO2 is a strong salt : KNO2 >> K+ + NO2- NO2- + H2O <----> HNO2 + OH- K = Kw/Ka =2.5 x 10^-11 = x^2/ 0.12-x x = [OH-]= 1.7 x 10^-6 M pOH =5.8 pH = 14 - 5.8 = 8.2