Question

An aqueous solution of an electrolyte molecule dissolved in water will have a higher osmolarity than its molarity. why?

Answer 1

Answer :)

We calculate osmolarity by using formula molarity x n x f.

Here n = number of particles, which dissociated from the solute

And, f = osmotic coefficient

The osmotic coefficient of water is 1.17 and therefore, due to this osmotic coefficient the molarity of solution will increase by 1.17 times.

Therefore, osmolarity of single solute is higher than the molarity, if solvent is water in both conditions.

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