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When an ion-selective electrode for X+ was immersed in 0.0784 M XCI, the measured potential was...
When an ion-selective electrode for X+ was immersed in 0.0480 M XCI, the measured potential was...
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
When an ion‑selective electrode for X+ was immersed in 0.0709 M XCl, the measured potential was...
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 0.0470 M XCI, the measured potential was...
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 0.0520 M XCI, the measured potential was...
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 0.0652 M XCl, the measured potential was...
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...
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 0.0680 M XCl, the measured potential was...
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
A cyanide ion-selective electrode obeys the equation given below.E = constant − 0.05916 log [CN− ]...
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...
An ammonium ion selective electrode exhibits interference from lithium ions with a selectivity coefficient of 0.2....
An ammonium ion selective electrode exhibits interference from lithium ions with a selectivity coefficient of 0.2. If a 0.10 M solution of ammonium has an electrode potential of 0.125 V what is the expected potential in a solution containing both 0.1 M ammonium and 0.1 M lithium? Recall that the Nernst equation for a cation selective electrode with interferent is Ecell L'002 Logho(a + Kb) where a and b are the activities(-concentrations) of the selective ion and interfering ion, respectively.
(4) A cyanide ion-selective electrode obeys the equation, E-K-0.05916log(CN). The potential was - 0.230 V when...
(4) A cyanide ion-selective electrode obeys the equation, E-K-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) if E= -0.280 V.
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
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 0.0520 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
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...
An ammonium ion selective electrode exhibits interference from lithium ions with a selectivity coefficient of 0.2. If a 0.10 M solution of ammonium has an electrode potential of 0.125 V what is the expected potential in a solution containing both 0.1 M ammonium and 0.1 M lithium? Recall that the Nernst equation for a cation selective electrode with interferent is Ecell L'002 Logho(a + Kb) where a and b are the activities(-concentrations) of the selective ion and interfering ion, respectively.
(4) A cyanide ion-selective electrode obeys the equation, E-K-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) if E= -0.280 V.
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