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Modules > WileyPLUS Hein, Foundations of College Chemistry, 15e Help I System Announcements Study & Practice Gradebook ORION Downloadable eTextbook pen Assignment PRINTER VERSIONBACK Additional Exercise 7.85 Copper is often added to paint for ocean-going ships and boats to discourage the growth of marine organisms on their hulls. Unfortunately, the copper dissolves into the water and is toxic to the marine life in harbors where these boats are docked. when copper II) lons reach a concentration of 9.0 micrograms/liter, the orowth of micrograms of Cu2+ per liter? some marine life slows. How many copper ions are found in a liter of water containing 5.9 on 2.1 an 2.2 10 cu?t ions on 25 on 28 By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor Question Attempts: 0 of 3 used SAVE FOR LATERSUBHIT ARSWER

Explanation / Answer

1. Molar mass of Cu = 63.5 g/mol

number of ions of Cu2+ = mass/molar mass ) Avogadro number = 5.8 x 10-6/ 63.5) 6

.022 x 1023 = 0.55 x 1017

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