Posted by mikael on .
You add 9.1 of iron to 25.50 of water and observe that the volume of iron and water together is 26.66 . Calculate the density of iron.

chemistry 
DrBob222,
mass Fe = 9.1g.
I assume the volume is measured in cc.
volume Fe = 26.66cc25.50cc = 1.66 cc.
Then density = mass/volume = ?