Problem 5.1: Henrys Law governs gas solubility How does it

From Chapter 5 Problem Set. Level 1: Conceptual Mastery.

Question

Henry’s Law governs gas solubility. How does it differ from the way ionic solids dissolve? Use the language of “pushed” versus “pulled.” (Refer to Chapter 3 if needed).

Answer

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Ionic solids are pulled into solution - water’s polarity dismantles the crystal lattice and hydration shells stabilize the freed ions. Gases are pushed into solution by pressure - they occupy gaps in the Hydrogen-Bond Network but are not electrostatically stabilized. When pressure drops or temperature rises, gases leave because nothing is holding them in place.