Salts & Solubility

Add different salts to water, then watch them dissolve and achieve a dynamic equilibrium with solid precipitate. Compare the number of ions in solution for highly soluble NaCl to other slightly soluble salts. Relate the charges on ions to the number of ions in the formula of a salt. Calculate Ksp values.

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Topics Teaching Ideas Software Requirements Translated Versions Credits

Topics

Main Topics

Solubility
Salts
Solutions
Chemical Equilibrium
Saturation
Chemical Formula
Ksp
LeChatelier's Principle

Sample Learning Goals

Rank the solubility of different salts.
Determine the ratio of anions and cations that create a neutral compound.
Calculate the molarity of saturated solutions, and Ksp values.

Teaching Ideas

Tips for Teachers

The teacher's guide contains tips for teachers created by the PhET team (PDF).

Ideas and Activities for this Sim

Title	Author	Level	Type	Updated
Soluble Salts 1 Introduction to Salts	T. Loeblein	UG-Intro	Lab	9/07
Soluble Salts 2 Introduction to solubility	T. Loeblein	UG-Intro	Lab	9/07
Soluble Salts 3 Solution Equilibrium and Ksp	T. Loeblein	HS	Lab	9/07
Soluble Salts 4 Using Q and LeChatelier's Principle	T. Loeblein	HS	Lab	9/07
Soluble Salts 5 Designer Salts	T. Loeblein	HS	Lab	9/07

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Software Requirements

Windows Systems	Macintosh Systems	Linux Systems
Microsoft Windows 98SE/2000/XP Sun Java 1.4.2_10 or later	OS 10.3.9 or later Apple Java 1.4.2_09 or later	Sun Java 1.4.2_10 or later