Answer:
Aluminum
Explanation:
The density of Aluminum is 2.7 g/cm3
We know the volume and mass of the unknown metal, as density is mass/volume: 81g/30cm3 = 2.7 g/cm3 which is the density of Aluminum :)
Answer:
Im pretty sure its known as emigration but lmk if im wrong
Explanation:
A. because the more you do it the more chance you have of being correct
Graduated cylinder, pipette, and beaker all hold liquid