How much copper is in the object

Reference no: EM13303867

An object known to be made of copper (p=8.89 g/cm^3) and aluminum (p=2.7 g/cm^3) "weighs" 25 g in air but only 20 g in water. Assuming that volume is conserved, what is the density of the object? How much copper is in the object?

Reference no: EM13303867

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