copperrecovery

Copperrecovery - The Recycling of Copper Metal Name Data Mass of flask copper 104.4113 Lab Section Mass of empty flask_103.4516 Mass of copper to

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The Recycling of Copper Metal Name ___ ____________________ Lab Section __________ Data Mass of flask + copper: 104.4113_____________ Mass of empty flask: _______103.4516______ Mass of copper to be reacted: .9597_____________ Mass of watch glass + filter paper + copper: _____86.4900________ Mass of watch glass + filter paper: ________86.1740_____ Mass of copper recovered: _________0.3160____ Calculation of percent recovery of copper: .316 .9597 x100%= 32.9270% Reactions/Observations/Identification of Limiting Reagent Procedure 1: Oxidation of copper metal to copper (II) nitrate by nitric acid: Copper dissolved forming a blue liquid. A gas was emitted as the copper dissolved. Cu(s) + 4HNO 3 (aq) ——> Cu(NO 3 ) 2 (aq) + 2NO 2 (g) + 2H 2 O(l) _____copper___ is oxidized ___Nitric Acid___ is reduced  m ass of copper recovered   m ass of cop p er  used     x  100%   =  percent recovery
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Procedure 2: Precipitation of copper (II) from solution and neutralization of excess nitric
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This note was uploaded on 04/07/2008 for the course CHM 115 taught by Professor Lab during the Spring '08 term at Wilkes.

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Copperrecovery - The Recycling of Copper Metal Name Data Mass of flask copper 104.4113 Lab Section Mass of empty flask_103.4516 Mass of copper to

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