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videogamer1192
13.12.2019 •
Chemistry
The ksp of copper(ii) ferrocyanide (cu2[fe(cn)6]) is 1.3 × 10−16 at 25°c. determine the potential of a concentration cell in which one half-cell consists of a copper electrode in 1.00 m copper(ii) nitrate, and the other consists of a copper electrode in a saturated solution of cu2[fe(cn)6].
ferrocyanide, ([fe(cn)6]4−), is a complex ion.
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Ответ:
Explanation:
Expression for
of the given reaction is as follows.
Let us assume that the concentration of given species is "s". As the value of
is given as
.
s =![3.19 \times 10^{-6}](/tpl/images/0416/3120/59aa8.png)
Therefore, concentration of
will be calculated as follows.
=
=
M
Now, we will calculate the value of
as follows.
=![0 - \frac{0.0591}{2} \times log \frac{6.38 \times 10^{-6}}{1}](/tpl/images/0416/3120/d4886.png)
= 0.1535 V
Thus, we can conclude that the potential of given cell is 0.1535 V.
Ответ: