Curated OER
# 14 Experimenting with Copper (II) Solutions
Students determine that the relative concentration of copper ions in water can be determined by a color comparison. They make a copper (II) sulfate solution of a given concentration. Students dilute their initial solutions until their...
Curated OER
Reaction of Substituted Benzene
In this chemistry worksheet, students write the products for each of the reactions listed on the sheet. If there is no reaction they write N.R. There are 15 products to solve on the sheet.
Curated OER
Reactions of Benzene
For this chemistry worksheet, students write the products for each of the given reactions. Then they write N.R. if there is no reaction present. There are eight reactions to identify on the sheet.
Curated OER
Visual Models of Solutions and Concentrations
Students model solutions with beakers of colored glass or plastic spheres. In this solutions lesson, students use beakers of colored spheres to represent pure substances. They mix the spheres to demosntrate solutions. They discuss...
Curated OER
Solutions Homework Problem Set
In this chemistry worksheet, students determine the vapor pressure of a solution when dissolved in water at a set temperature. Then they determine the vapor pressure of this solution at a higher temperature. Students also explain the...
Other
Chem Guide: Strong and Weak Acids
This page from a retired Chemistry professor explains the terms strong and weak as applied to acids. As a part of this it defines and explains what is meant by pH, Ka and pKa and emphasizes the importance of not confusing the words...
Khan Academy
Khan Academy: Bronsted Lowry Acid Base Theory
Understand the definition of Bronsted-Lowry acids and bases, strong and weak acids and bases, and how to identify conjugate acid-base pairs.
CK-12 Foundation
Ck 12: Physical Science: Solution Concentration
[Free Registration/Login may be required to access all resource tools.] Definition of concentration of a solution, the difference between concentrated and dilute solutions and how to calculate the concentration of a solution.
Chem Tutor
Chem Tutor: Solutions
An in-depth look at solutions and their properties. Includes practice problems for calculating solution concentration.