A silver button battery used in a watch contains 0.75 g of
Chapter 22, Problem 91P(choose chapter or problem)
Problem 91P
A silver button battery used in a watch contains 0.75 g of zinc and can run until 80% of the zinc is consumed, (a) How many days can the battery run at a current of 0.85 microamps (10-6 amps)? (b) When the battery dies, 95% of the Ag2O has been consumed. How many grams of Ag was used to make the battery? (c) If Ag costs $13.00 per troy ounce (31.10 g), what is the cost of the Ag consumed each day the watch runs?
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