4. After correction for water conductivity, the conductivity of a 2.500 x 10-4 M aqueous solution of MgSO4 at 25°C was found to be 6.156 x 10-³ Sm-¹. Calculate Ke for the ion-pair-formation reaction Mg2+ (aq) + SO4²-(aq) = MgSO4(aq) The molar ionic conductivities of Mg2+ and SO42- ions in water are 0.0106 Sm²mol-¹ and 0.0160 Sm²mol, respectively.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter10: Effect Of Electrolytes On Chemical Equilibria
Section: Chapter Questions
Problem 10.11QAP
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4. After correction for water conductivity, the conductivity of a 2.500 x 104 M aqueous solution
of MGSO4 at 25°C was found to be 6.156 x 10-3 Sm1. Calculate Ke for the ion-pair-formation
reaction
Mg"(aq) + SO,?(aq) = M&SO4(aq)
The molar ionic conductivities of Mg+ and SO42- ions in water are 0.0106 Sm?mol- and 0.0160
Sm²mol-, respectively.
Transcribed Image Text:4. After correction for water conductivity, the conductivity of a 2.500 x 104 M aqueous solution of MGSO4 at 25°C was found to be 6.156 x 10-3 Sm1. Calculate Ke for the ion-pair-formation reaction Mg"(aq) + SO,?(aq) = M&SO4(aq) The molar ionic conductivities of Mg+ and SO42- ions in water are 0.0106 Sm?mol- and 0.0160 Sm²mol-, respectively.
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