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]
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]
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please help me understand 3. Answer on bracket. Thank you.
![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,
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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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