Determine the volume of hexane in ml

Question

Determine the volume of hexane in ml that contains 9.19x10^22 molecules of hexane. The density of hexane is 0.6548 g/mL and its molar mass is 86.17 g/mol.

Answer 1

Dimensional analysis;

9.19x10²² molecules x 1 mol/6.02x10²³ molecules x 86.17 g/mol x 1 ml/0.6548 g = 20.0 mls