![Ans:- (a) E= k- 0.05916 log [CN-] E = -0.2300 and (CNJ = 103 M. E = -0.230 = K -0.05916 log (103) K = = K= -0.230 + 0.05916 t](http://img.homeworklib.com/questions/0b139ef0-d15b-11eb-85f5-e525053e7a6c.png?x-oss-process=image/resize,w_560)
(4) A cyanide ion-selective electrode obeys the equation, E-K-0.05916log(CN). The potential was - 0.230 V when...
A cyanide ion-selective electrode obeys the equation given
below.E = constant − 0.05916 log
[CN− ]
The potential was −0.237 V when the electrode was immersed in
1.21 mM NaCN. (Assume that the Nernst potential is 0.05916
V.)
(a) Evaluate the constant in the above equation.
c = _____?_____V
(b) Using the result from part (a), find [CN− ] if
E = −0.318 V.
−0.318
=
c − 0.05916 log(x)
x
=
___?___
mM
(c) Without using the constant from...
(3) Calculate the ionic strength of the following, assuming complete dissociation of salts: (a) 0.54 mM Cas (b) 0.035 M AIBr; (c) 1.30 M K S04 (4) A cyanide ion-selective electrode obeys the equation, EEK -0.05916log(CN). The potential was -0.230 V when the electrode was immersed in 1.00 mM NaCN. (a) Evaluate the constant in the equation (b) Using the result from part (a), find (CN] if E=-0.280 V. (c) Without using the constant from part (a), find (CN Jif...
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