Posted by **inny** on Friday, October 15, 2010 at 4:34am.

A bag contains a mixture of copper and lead BBs. the Average density of the BBs is 9.50g/cm^3. Assuming that the copper and lead are pure determine the relative amounts of each kind of BB

- college math -
**drwls**, Friday, October 15, 2010 at 5:50am
Look up the densities of lead and copper. Lead: 11.34 g/cm^3. Copper: 8.93 g/cm^3

If f is the fraction of the BBs that are copper (which would be a volume fraction), then 1-f is the fraction that are lead, then

8.93 f + 11.34(1-f) = 9.50

Solve for f

## Answer This Question

## Related Questions

- Chemistry - A bag contains a mixture of copper and lead BBs. The average density...
- college chemistry - A bag contains a mixture of copper and lead BBs. The average...
- Chemistry 101 - A bag contains a mixture of copper and lead BBs. The average ...
- chemistry - A bag contains a mixture of copper and lead BB's. The average ...
- Chemistry - Copper and lead had different densities. Sketch a diagram at the ...
- algebra - Chemist has 30 kg of mixture that is 1/7 lead and 6/7 copper. How many...
- Physics - If you want to design a set of five density rods (made of aluminum, ...
- college physic - A solid cylindrical rod made from a center cylinder of lead and...
- Chemistry - Naturally occurring copper contains a mixture of 69.09% copper-63 (...
- CHEMISTRY - Write the net ionic equation for the reaction between...(and MUST ...

More Related Questions