The equivalent conductivity of 0.0108 molar aniline hydrochloride is 118,6 ohm-1 cm-1 . When the solution saturated with aniline the equivalent conductivity decreased to 103.6 ohm-1 cm-1 . The same concentration these equivalent conductivity of HCl is 411.7 ohm-1 cm2 . Calculate the hydrolysis degree of aniline hydrochloride. Explain the variation of the cell constant (K) with the amount of sample volume.
1)The equivalent conductivity of 0.0108 molar aniline hydrochloride is 118,6 ohm-1 cm-1 . When the solution saturated with aniline the equivalent conductivity decreased to 103.6 ohm-1 cm-1 . The same concentration these equivalent conductivity of HCl is 411.7 ohm-1 cm2 . Calculate the hydrolysis degree of aniline hydrochloride.
Explain the variation of the cell constant (K) with the amount of sample volume.
2) A strong electrolyte has an equivalent conductivity of 140 Ώ.cm . eq mol for a concentration of 2 x 10-4 eq.mol / L. The saturated solution corresponds to a concentration of 3.3 x 10-4 eq.mol / L and at an equivalent conductivity of 144.74 Ώ.cm . eq mol-1 . Determine the limit conductivity of this electrolyte.
3) Calculate the activity coefficient of the chloride ion in MgCl2 10-3 mol / L and in LaCl3 of the same concentration. What can you conclude from this?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
