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Solution Composition and Properties

There are several ways in chemistry to describe the composition of a solution. One way is through a solution’s mass percent. Another, similar way, is to describe a solution’s concentration – often expressed as molarity (M). There are some important conventions chemistry students should become familiar with – such as: solute concentration is always written in terms of the form of the solute before it dissolves. Because math becomes crucial in chemical formulation, conventions like this one become increasingly important as the need for precision increases. A few new terms such as “standard solution” and “dilution” have specific meaning in chemistry. Additionally, some of the new expressions also convey new concepts – such as “colligative property” (a solution property that depends on the number of solute particles present). This topic may initially seem overly concerned with precise meaning and exactness of measurement. And … it is. Especially for students with an eye toward college-level chemistry, this topic introduces ideas that set them up for future success in upper-level chemistry pursuits.

Lesson 1 (or “Day 1”) Material
Lesson 2 (or “Day 2”) Material
Lesson 3 (or “Day 3”) Material
Lesson 4 (or “Day 4”) Material

3:49 Percent Composition using Molar Mass

8:20 Solutions: Crash Course Chemistry #27

10:14 Mass Percent & Volume Percent – Solution Composition Chemistry Practice Problems


Compare Contrast and Debate

Kickoff Debate Background: xx

  • Position A: Honeycutt Science should x
  • Position B: Honeycutt Science should x

Resources Documents and Links

Notes and Notices

Instructor Emphasis:

  • Science & Engineering Practice: Analyze and interpret data.
  • Cross-Cutting Concept: Structure and Function.