What are colligative properties? Show that osmotic pressure is a colligative property.

What is a colligative property?

Define 'osmosis' and 'osmotic pressure'. Show that osmotic pressure is a colligative property. A 4% solution of sucrose (C_12 H_22 O_11) is isotonic with 3% solution of an unknown organic substance. Calculate the molecular mass of the unknown substance.

What is Osmotic pressure ?

Why is osmotic pressure considered as a colligative property ?

Colligative properties depend upon

What do you mean by colligative properties?