What is the Density? Mass=121 grams. Volume=11mL.

Answer 1

You do not say what units you want.
as your wrote it you have rho = 121/11 = 11 g/mL
HOWEVER
physicists use Kilograms / cubic meter
0.121 kg / 11*10^-6 m^3 = 0.011 *10^6 = 11,000 kg/m^3

Answer 2

Break it down for me.