3. For a 0.005 M aqueous solution of SrCl2 at 298 K, the conductivity is 1.242 x 103 S cm-1. What is the molar conductivity of this solution? [248.4]

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3. For a 0.005 M aqueous solution of SrCl, at 298 K, the conductivity is 1.242 x 10-3 S
cm-l. What is the molar conductivity of this solution?
[248.4]
4. A conductivity cell was calibrated with 0.02 M KCl solution (K = 0.002768 S cm-1)
and the resistance at 298 K was 457.3 ohms. When a 0.01 M solution of CaCl2 was
placed in the cell, the measured resistance was 1050 ohms. Calculate (a) the cell
constant; (b) the conductivity and (c) the molar conductivity of the CaCl, solution.
[1.266; 1.206 x 10-3; 120.6]
5. The limiting molar conductivities, A°, of KCl, KNO; and AGNO3 are 149 S cm2 mol-1,
145.0 S cm? mol-1 and 133.4 S cm? mol-1, respectively at 25°C. What is the limiting
molar conductivity of AgCl at this temperature?
[137.4]
6. Given the following molar conductivities at infinite dilution: sodium propionate
(NaPr), 85.92 S cm2 mol1: hydrochloric acid, 426.04 S cm² mol-1; and sodium chloride,
Engish (United States
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e to search
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Transcribed Image Text:3. For a 0.005 M aqueous solution of SrCl, at 298 K, the conductivity is 1.242 x 10-3 S cm-l. What is the molar conductivity of this solution? [248.4] 4. A conductivity cell was calibrated with 0.02 M KCl solution (K = 0.002768 S cm-1) and the resistance at 298 K was 457.3 ohms. When a 0.01 M solution of CaCl2 was placed in the cell, the measured resistance was 1050 ohms. Calculate (a) the cell constant; (b) the conductivity and (c) the molar conductivity of the CaCl, solution. [1.266; 1.206 x 10-3; 120.6] 5. The limiting molar conductivities, A°, of KCl, KNO; and AGNO3 are 149 S cm2 mol-1, 145.0 S cm? mol-1 and 133.4 S cm? mol-1, respectively at 25°C. What is the limiting molar conductivity of AgCl at this temperature? [137.4] 6. Given the following molar conductivities at infinite dilution: sodium propionate (NaPr), 85.92 S cm2 mol1: hydrochloric acid, 426.04 S cm² mol-1; and sodium chloride, Engish (United States Focus e to search DELL
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