Black-and-white photographic film is coated with silver halides. Because silver is expensive, the manufacturer monitors the Ag+ content of the waste stream, [Ag+]waste, from the plant with an Ag+-selective electrode at 25oC. A stream of known Ag+ concentration, [Ag+]standard, is passed over the electrode in turn with the waste stream and the data recorded by a computer. (a) Write the equations relating the nonstandard cell potential to the standard cell potential and [Ag+] for each solution. (b) Combine these into a single equation to find [Ag+]waste. (c) Rewrite the equation from part (b) to find [Ag+]waste in ng/L. (d) If Ewaste is 0.003 V higher than Estandard, and the standard solution contains 1000. ng/L, what is [Ag+]waste? (e) Rewrite the equation from part (b) to find [Ag+]waste for a system in which T changes and Twaste and Tstandard may be different.
Black-and-white photographic film is coated with silver halides. Because silver is expensive, the manufacturer monitors the Ag+ content of the waste stream, [Ag+]waste, from the plant with an Ag+-selective electrode at 25oC. A stream of known Ag+ concentration, [Ag+]standard, is passed over the electrode in turn with the waste stream and the data recorded by a computer.
(a) Write the equations relating the nonstandard cell potential to the standard cell potential and [Ag+] for each solution.
(b) Combine these into a single equation to find [Ag+]waste.
(c) Rewrite the equation from part (b) to find [Ag+]waste in ng/L.
(d) If Ewaste is 0.003 V higher than Estandard, and the standard solution contains 1000. ng/L, what is [Ag+]waste?
(e) Rewrite the equation from part (b) to find [Ag+]waste for a system in which T changes and Twaste and Tstandard may be different.
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 6 images
