I Need A Smart Chemistry Whiz...

1) How would I find the volume of 50 grams of a metal using its density(2.70g/cm3)?

2) How would I find the mass of a metal with a density of (19.20g/cm3)?

Please help! xxx

1)Given are mass and density.
so,density=mass/volume
d=m/v
v=m/d=50/2.70=18.5cm3

2)Here also,
Density=mass/volume
D=m/v
m=v*D
Here the information is incomplete.

Use the equation:

density = mass / volume

1) volume = mass / density = 50 / 2.7

2) You haven't given enough information for this one; a volume is required.