lize44014 lize44014

29-09-2016
Chemistry

contestada

when heating copper in the final step, the bright copper color changes to a dull brown. will the percent recovery be too high or too low?

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taskmasters taskmasters

11-10-2016

When heating copper in the final step, the bright copper color changes to a dull brown. I think this process will make the percent recovery low because a change in color can mean some reacted. Hope this answers the question. Have a nice day.

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