Two clear, colorless aqueous solutions, X and Y, are prepared at 25 °C in identical…
CHEMISTRY · Multi-part · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures
Problem
Two clear, colorless aqueous solutions, X and Y, are prepared at 25 °C in identical 250 mL volumetric flasks.
• Solution X: 0.10 M sodium chloride, a strong electrolyte that dissociates completely.
• Solution Y: 0.10 M acetic acid (HC₂H₃O₂), a weak electrolyte that is 5 % dissociated under these conditions.
A student is asked to draw separate particle diagrams for Solutions X and Y using the minimum total number of particles that still clearly communicates the important differences between the two solutions.
(a) For each solution, list all distinct solute-derived particle types that must be shown.
(b) Determine an appropriate integer count of each particle type that would faithfully represent the macroscopic descriptions while using the fewest possible solute particles overall. Justify your choices with calculations or proportional reasoning.
(c) Describe two specific visual features you would include in the diagrams to help another viewer distinguish which solution would conduct electricity more strongly, and explain how those features relate to the underlying chemistry.