plane between the crust and the mantle

a measure of the amount of substance per unit volume. Unit: mol.dm-3

22,4 x 10-3 m3 or 22,4 dm3 at S.T.P.

the volume of 1 mole of gas. The molar gas volume is equal for all gasses at a given temperature...

the mass of any substance relative to the amount of the substance; the mass of one mole of any...