Asked by Anonymous
Given the density of copper 8.96g/mL, zinc 7.14g/mL, and brass 8.36g/mL. What is the fraction of copper and zinc in brass (expressed as %)? Please show me step by step how to calculate this. Thank you.
Answers
Answered by
DrBob222
Let x = fraction Cu
Then 1-x = fraction Zn
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(x*8.96) + (1-x)*7.14 = 8.36
Solve for x and 1-x and convert fractions to percent.
Then 1-x = fraction Zn
--------------------
(x*8.96) + (1-x)*7.14 = 8.36
Solve for x and 1-x and convert fractions to percent.
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