(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...
When an ion-selective electrode for X was immersed in 0.0680 M XCl, the measured potential was 0.0220 V. What is the concentration of X when the potential is 0.0370 V? Assume that the electrode follows the Nernst equation, the temperature is at 25
When an ion‑selective electrode for X+ was immersed in 0.0709 M XCl, the measured potential was 0.0430 V . What is the concentration of X+ when the potential is 0.0580 V ? Assume that the electrode follows the Nernst equation, the temperature is at 25 °C, and that the activity coefficient of X+ is 1.
When an ion‑selective electrode for X+ was immersed in 0.0652 M XCl, the measured potential was 0.0420 V . What is the concentration of X+ when the potential is 0.0570 V ? Assume that the electrode follows the Nernst equation, the temperature is at 25 °C, and that the activity coefficient of X+ is 1.
When an ion‑selective electrode for X+ was immersed in 0.0312 M XCl, the measured potential was 0.0230 V . What is the concentration of X+ when the potential is 0.0380 V ? Assume that the electrode follows the Nernst equation, the temperature is at 25 °C, and that the activity coefficient of X+ is 1.
When an ion-selective electrode for X was immersed in 0.0470 M XCI, the measured potential was 0.0340 V. What is the concentration of X when the potential is 0.0490 V? Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1 Number
When an ion-selective electrode for X+ was immersed in 0.0784 M XCI, the measured potential was 0.0430 V. What is the concentration of X* when the potential is 0.0580 V? Assume that the electrode follows the Nernst equation, the temperature is at 25 °C, and that the activity coefficient of X* is 1. x]0.117
When an ion-selective electrode for X was immersed in 0.0520 M XCI, the measured potential was 0.0380 V. What is the concentration of X when the potential is 0.0530 V? Assume that the electrode follows the Nemst equation, the temperature is at 25 C, and that the activity coefficient of X* is 1 Number 0.3M
When an ion-selective electrode for X+ was immersed in 0.0480 M XCI, the measured potential was 0.0430 V. What is the concentration of X+ when the potential is 0.0580 V? Assume that the electrode follows the Nernst equation, the temperature is at 25 °C, and that the activity coefficient of X+ is 1. [x+) = 1.792 1.792