A sample of rose gold weighs 12.0g.

[From: ] [author: ] [Date: 11-05-04] [Hit: ]

-7/12 = 0.So 58.33% is copper.-Yo momma weighs 120kg! DANG!!......

5.0g of it is silver and 7.0 grams is cooper. what percent of this sample is copper?

7/12 = 0.58333

So 58.33% is copper.

Yo momma weighs 120kg! DANG!! OOOOOO!!! DAYM!

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