You wish to extract $2500.00 of silver from ore that is 5.0% silver by mass. If silver is worth $15.75 per troy ounce, how many kg of ore are needed? answer in two significant figures(1 troy ounce = 31.103g)

General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter1: Chemistry And Measurement
Section: Chapter Questions
Problem 1.140QP
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You wish to extract $2500.00 of silver from ore that is 5.0% silver by mass. If silver is worth $15.75 per troy ounce, how many kg of ore are needed? answer in two significant figures(1 troy ounce = 31.103g)

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9781305580343
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Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Cengage Learning