Explain why the conductivity of 0.095 M K2SO4 is greater than that of 0.095 M KF

Question

Explain why the conductivity of 0.095 M K2SO4 is greater than that of 0.095 M KF

this question was written by Gen Chem Lab Coordinator at Western Washington University sapling leaming Explain why the conductivity of 0.095 M K2S04(aq) is greater than that of 0.095 M KF(aq) The KF is a weak electrolyte while the K2S04 is a strong electrolyte. Thus the K2SO4 fully ionizes in solution and will have a higher conductivity than the KF. Conductivity increases when electrolytes react with water. K2S04 reacts much more readily with the water than KF, thus the greater reactivity of K2S04 will lead to a much greater conductivity in solution lon size can play a big part in electrical conductivity. Some or all of the ions in KF are much smaller than the ions in K2SO4, thus the ions in K2SO4 are better able to conduct the electricity O O Electrolytes with a SO42 anion will always have a higher conductivity when O compared to any other electrolyte. Thus the K SO4 will always have a higher conductivity than KF as long as they are at the same concentration The total ion concentration of the K2SO04 is greater than the KF. In addition, some or all of the ions in K2SO4 have higher charge than those of KF. Both of these factors increase the conductivity of the K2S04 solution O

Explanation / Answer

The conductivity of 0.095 M K2SO4 is greater than that of 0.095 M KF:

Answer is:

The total ion concentration of the K2SO4 is greater than the KF. In addition, some or all of the ions in K2SO4 have higher charge than those of KF. Both of these factors increase the conductivity of the K2SO4 solution.

Explanation:

Conductivity (or specific conductance) of an electrolyte solution is a measure of its ability to conduct electricity. High quality deionized water has a conductivity of about 5.5 S/m, typical drinking water in the range of 5-50 mS/m, while sea water about 5 S/m (i.e., sea water's conductivity is one million times higher than that of deionized water). This is because of ion concentration difference between sea water and deionized water.As the concentration of ions in sea water is more than in the deionized water sea water has highest conductivity.

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