78. Solving a chemistry problem

78. Solving a chemistry problem

248. The EMF of the element Pt, H2 / NH4OH, NH4Cl││KCl, AgCl / Ag is 0.746 V at 25 C. Determine the pH and the ratio of the concentrations of the components that make up the ammonia buffer system. f(xs)=0.201 V, pK(NH4OH)=4.76

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