Question

Osmosis occurs spontaneously in response to a driving force.What is the driving force mentioned here?

Answer 1

Osmosis occurs when there is difference in concentration levels of a solution between two sides of a semipermeable membrane. This leads to the formation of a concentration gradient, which allows solute particles present in a solution to move from a region of low concentration to a region of high concentration.
This change on concentration of solute in the two region is the driving force for osmosis