Question 1172675: An alloy that is made up of Cu and Pt has a specific gravity of 15. What is the mass of Cu in a 1-kg alloy?
Answer by ikleyn(52864)   (Show Source):
You can put this solution on YOUR website! .
In your post, the densities of the ingredient metals are missed.
Surely, I am able to find it in the outer sources, but I do not want to spend my time seeking for an info,
which must be provided by you in your post.
Simply saying, I don't want make YOUR JOB.
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