We are asked to determine which of the following solutions will have the most particles present per liter:

A) 0.3 M K_{2}SO_{4 }B) 0.1 M HNO_{3 }C) 0.4 M ethanol C_{2}H_{5}OH D) 0.2 M KBr

Total Ionic molarity or osmolarity represents the molarity of the dissolved ions in the solution.

This will be used to determine which of the following solution has the most particles present.

Recall the formula for Osmolarity:

$\overline{){\mathbf{Osmolarity}}{\mathbf{}}{\mathbf{=}}{\mathbf{}}{\mathbf{\#}}{\mathbf{}}{\mathbf{of}}{\mathbf{}}{\mathbf{ions}}{\mathbf{}}{\mathbf{x}}{\mathbf{}}{\mathbf{Molarity}}{\mathbf{}}{\mathbf{of}}{\mathbf{}}{\mathbf{solution}}}$

Which of the following solutions will have the most particles present per liter?

A. 0.3 M K_{2}SO_{4}

B. 0.1 M HNO_{3}

C. 0.4 M ethanol C_{2}H_{5}OH

D. 0.2 M KBr

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