Answer:
Condensation methods from colloidal particles by aggregation of molecules or ions. Examples of colloids are really in common in evryday life, eg. Mayonnaise, butter, milk, gelatin, paper etc..
Every colloid consists of two parts :colloidal particles and the dispersing medium.
Density = mass / volume
19.3 = 13 / m
m = 13 / 19.3
m = 0.67g
The sugar solution was made by mixing 12 grams of water
