Lecture 1-Nats 101
45
What is
Density?
Density (r) = Mass
(M) per unit Volume (V)
r = M/V r = Greek letter ÒrhoÓTypical Units: kg/m3, gm/cm3
Mass =
#
molecules (mole) «
molecular weight (gm/mole) Avogadro number (6.023x1023 molecules/mole)