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Submerged object/density

  • Thread starter myoplex11
  • Start date
  • #1
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Homework Statement


an alloy of copper and gold displaces 1.935 cm^3 of water. It has a mass of 33.44g. If gold has a density of 19.3g/cm^3 and copper has a density of 8.9g/cm^3, what is the percent of gold by mass in the object


Homework Equations


mg=pVg


The Attempt at a Solution



m alloy= p alloy*V alloy
p alloy = m/V =33.44/1.935 =17.3g/cm^3
i am stuck at this point i found the density of the alloy what do i do next?
 

Answers and Replies

  • #2
Shooting Star
Homework Helper
1,977
4
What happened to the copper part?
 

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