Theory:

Density table:
 
Liquid
kg/m3
g/cm3
Mercury13 600 13,6
Honey1300 1,3
Glycerine1260 1,26
Milk1036 1,036
Sea water1030 1,03
Water1000 1
Sunflower oil920 0,92
Oil820 0,82
Alcohol800 0,8
Gasoline700 0,7
  
Reference:
Fizikas burtnīca 8. klasei/E.Šilters,M. Gribuste.Lielvārds.2000.30.lpp.