Comparing osmolarity and tonicity, which of the following statements is CORRECT ?

Question

Comparing osmolarity and tonicity, which of the following statements is  CORRECT ?

Answer

Osmolarity is expressed in osmolar units whilst tonicity is expressed in mm Hg hydrostatic pressure

Answer

Osmolarity depends on the concentration of particles in solution while tonicity tells us the fate of a cell placed in a solution

Answer

Osmolarity and tonicity describe the movement of water in a beaker separated into two compartments by an impermeable membrane

Answer

Osmolarity and tonicity describe the movement of water in a beaker separated into two compartments by a totally permeable membrane

Answer

Two solutions which are iso-osmotic can never be isotonic to a cell

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