What do you mean by relative lowering in vapour pressure ?

What do you mean by relative lowering of vapour pressure? Calculate the relative lowering of Vapour pressure of a solution formed by dissolving 50 g of urea (NH_2 CONH_2) in 850g of water.(Given vapour pressure of pure water at 298K= 23.8mm of Hg.)

Relative lowering of vapour pressure

What do you know by relative lowering of vapour pressure?

The relative lowering in vapour pressure is:

The relative lowering in vapour pressure is:

What is relative lowering of vapour pressure ?

What is relative lowering of vapour pressure ?

What is relative lowering of vapour pressure ?