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Calculate the pH of a solution that contains the fol- lowing analytical concentrations: (a) 0.225 M in H3PO4 and 0.414 M in NaH2PO4- (b) 0.0670

Calculate the pH of a solution that contains the fol- lowing analytical concentrations: (a) 0.225 M in H3PO4 and 0.414 M in NaH2PO4- (b) 0.0670 M in Na2SO3 and 0.0315 M in NaHSO3. (c) 0.640 M in HOC2H4NH2 and 0.750 M in HỌC,HẠNH,C. (d) 0.0240 in H2C2O4 (oxalic acid) and 0.0360 M (e) 0.0100 M in Na2C2O4 and 0.0400 M in in Na2C2O4. NaHC2O4.

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