Our host describes ways to express solution concentration. The class learns about mass percent and the students propose plans for creating solutions with a known molarity. Obtain, evaluate, and ...

Define these terms: solution, solute, and solvent. Distinguish solutions, mixtures, and colloids. Describe various types of solutions. Distinguish unsaturated, saturated, and supersaturated solutions.

Editor’s note, September 2026: This article has been updated with an interactive calculator, worked examples using named reagents, and a concentration unit conversion table. The serial dilution ...

Lab Cafe: Solutions and Concentration is an interactive, Genially-powered digital game designed for secondary (KS3) science classrooms. In this engaging interactive activity, students step right ...