A solution 1.0 g of solute dissolved in 100 mL of water. Which of the following solutes will cause the solution to have the highest osmolarity? A) Ribose, C₅H₁₀O₅, will cause the solution to have the highest osmolarity. B) Glucose, C₆H₁₂O₆, will cause the solution to have the highest osmolarity. C) Sucrose, C₁₂H₂₂O₁₁, will cause the solution to have the highest osmolarity. D) All of these will cause the solution to have the same osmolarity.

Question

Quizplus · Accepted Answer

Ribose has the smallest molar mass among the given solutes, resulting in the highest number of moles and thus the highest osmolarity when 1.0 g is dissolved.

A Solution 1