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Q1: Find the molar conductivity (in S.cm².mol-¹) of a 0.00100 M solution of KCI if its conductivity is 1.40×10-3 S.cm¹ at 298 K. a) 0.0140 b) 140. c) 1.40 d) 1400. e) 14.0 His 83.4 S.cm².mol-¹. afinite

Q1: Find the molar conductivity (in S.cm².mol-¹) of a 0.00100 M solution of KCI if its conductivity is 1.40×10-3 S.cm¹ at 298 K. a) 0.0140 b) 140. c) 1.40 d) 1400. e) 14.0 His 83.4 S.cm².mol-¹. afinite

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter13: Solutions And Their Behavior
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Problem 16PS: Use the following data to calculate the enthalpy of solution of sodium perchlorate, NaClO4:...
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physical chemistry, please solve question 1

Q1: Find the molar conductivity (in S.cm².mol) of a 0.00100 M solution of KCI if its conductivity is 1.40×10-3 S.cm-¹ at 298 K. a) 0.0140 b) 140. a) 0.0207 c) 1.40 Q2: The molar conductivity of a 0.0213 M solution of a weak base (BOH) is 83.4 S.cm².mol-¹. What is the value of the degree of dissociation if the sum of the ionic conductivities at infinite dilution for B and OH is 237 S.cm².mol-¹? b) 0.484 a) 0.404 c) 0.352 d) 1400. c) 1.00 d) 1.36x10-5 Q3: If the transport number (t+) for an electrolyte is 0.55. The ratio of the ionic mobility of the cation to the anion will be: b) 1.78 c) 0.934 e) 14.0 d) 1.22 physical chemistry e) 2.07x10-5 Q4: Find the mean activity coefficient (y+) for Na2SO4. The activity coefficients for Na* and SO4 are 0.913 and 0.695, respectively. a) 0.634 b) 0.534 d) 0.734 e) 0.941 e) 0.834
Transcribed Image Text:Q1: Find the molar conductivity (in S.cm².mol) of a 0.00100 M solution of KCI if its conductivity is 1.40×10-3 S.cm-¹ at 298 K. a) 0.0140 b) 140. a) 0.0207 c) 1.40 Q2: The molar conductivity of a 0.0213 M solution of a weak base (BOH) is 83.4 S.cm².mol-¹. What is the value of the degree of dissociation if the sum of the ionic conductivities at infinite dilution for B and OH is 237 S.cm².mol-¹? b) 0.484 a) 0.404 c) 0.352 d) 1400. c) 1.00 d) 1.36x10-5 Q3: If the transport number (t+) for an electrolyte is 0.55. The ratio of the ionic mobility of the cation to the anion will be: b) 1.78 c) 0.934 e) 14.0 d) 1.22 physical chemistry e) 2.07x10-5 Q4: Find the mean activity coefficient (y+) for Na2SO4. The activity coefficients for Na* and SO4 are 0.913 and 0.695, respectively. a) 0.634 b) 0.534 d) 0.734 e) 0.941 e) 0.834
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