Sadly I do not know the answer but yes I LOVE them. I am too shy to tell u my bias.
In order to find density its: D=M/V
So... 4.5g/220cm^3 = 0.020454545
then count only the significant figures(which is 2)
Final answer: 0.020g/cm^3
And yes i LOVE THEM!!
6.5m questions
8.6m answers