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Cell constant = K x R = 0.0129 ohm-1 cm-1×100 ohm = 1.29 cm-1K(0.2 M KCl) = Cell constantResistance = 1.29520 = 2.48 × 10-3 s cm-1∧m = 103KM = 103×2.48×10-30.02∧m = 124 s cm2 mol-1
M = 0.00241 M K = 7.896 x 10-5 s cm-1 ∧m = 103KM = 103×7.896×10-50.00241∧m = 32.76 s cm2 mol-1 α = ∧m∧°m = 32.76390.5 = 0.0839K = Cα21-α = 0.00241×(0.0839)21-0.0839K = 1.85 × 10-5
Λ° (HAC) = λ°(H+) + λ°(AC–)= λ° (H+) + λ°(Cl–) + λ° (AC–) + λ° (Na+) – λ°(Cl–) – λ°(Na+)= Λ° (HCl) + Λ° (NaAc) – Λ° (NaCl)= (425.9 + 91.0 – 126.4) s cm2 mol–1 = 390.5 s cm2 mol–1