A cation-sensitive electrode displays a (referenced) potential of 209.6 mV in a 0.0123-M CaCl2 solution. Calculate...

Question

Question

A cation-sensitive electrode displays a (referenced) potential of 209.6 mV in a 0.0123-M CaCl2 solution.

Calculate the ionic strength of the above solution.

μ =

Use the extendeded Debye-Huckel equation to calculate the activity coefficient of the calcium ion in this solution, at 25°C? logγ=−0.51Z2μ√1+αμ√305

Where α = 600 pm (for Ca2+).

γCa2+ =

Calculate the activity of Ca2+ in this solution.

aCa2+ =

science chemistry

Answer 1

Answer #1

Answer 2

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