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Calculate the pH of 0.69MXNH3NO3.Kb(XNH2)=7.8107 Enter your answer to two places after the decimal. Question 5 Calculate the pH of 0.4MNaX.Ka(HX)=3109 Enter your answer to

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Calculate the pH of 0.69MXNH3NO3.Kb(XNH2)=7.8107 Enter your answer to two places after the decimal. Question 5 Calculate the pH of 0.4MNaX.Ka(HX)=3109 Enter your answer to two places after the decimal

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