Acting as an overview from the General Chemistry Virtual Textbook, this site explores the pH scale and its characteristics including a chart mapping the various levels of the scale.

A picture of the crystal structure of calcium hydroxide. Additional plug-in required.

Kid's learn about the science and chemistry of acids and bases on this site. Also discussed is pH level and reactions of chemicals.

The molecular basis of indicator color changes. Includes Chime structures for the acid and base forms of phenolphthalein, methyl orange, red cabbage indicator, and cyanidin diglucoside.

Learn about the solvent properties of water, pH, pKa and buffering capacity with a series of problems. The correct answers for the multiple choices problems are reinforced with a brief explanation and the incorrect answers are linked to...

Acting as an overview from the General Chemistry Virtual Textbook, this site acts as one in a series of slides on acid-base systems. This particular slide deals with coordinating pH graphs.

Acting as an overview from the General Chemistry Virtual Textbook, this site acts as one in a series of slides on acid-base systems. This particular slide deals with phosphates and the three pKs of the phosphate system.

Create a buffer solution at a specific pH using a weak acid and its conjugate base.

A collection of over 30 virtual chemistry problems with accompanying interactive activities. Each problem includes a word file for potential differentiation in your classroom.

Definitions of pH, pOH, and the pH scale. Practice calculating the pH of a strong acid or base solution. Learn the relationship between acid strength and the pH of a solution.

[Free Registration/Login may be required to access all resource tools.] Definition of pH and the strength of acids and bases. How to use the pH scale and why pH is important to living things.

Investigate the answers to many commonly asked questions about chemical change. This comprehensive list will address chemical equations and double displacement reactions in addition to other topics.

Using the Virtual Laboratory design, students perform an experiment to determine the concentration of the unknown HCl solution to four significant figures.

Using the Virtual Laboratory, design an experiment to quickly determine which of the two reagents, HCl or NaOH, is 10 times more concentrated than the other.

This virtual lab activity where students perform the method of successive dilutions using HCl, NaOH, a pH meter, and universal indicator solution to help understand the logarithmic nature of the pH scale.

An exercise to design a buffer solution with specific properties.

Explains what a buffer is, how it is prepared, how it works to resist drastic changes in pH, and the characteristics of an effective buffer. Human blood also contains a buffer which is crucial for maintaining the blood's pH.

Colorful chart of the pH scale, including example chemicals.

Perform virtual lab experiments safely. Pour and mix specific amounts of various solutions on screen and observe changes in temperature and pH. Choose glassware and other tools (ie. bunsen burner, scale) to assist with virtual lab...

Perform virtual lab experiments safely. Pour and mix specific amounts of various solutions on screen and observe changes in temperature and pH. Choose glassware and other tools (ie. bunsen burner, scale) to assist with virtual lab...

Acting as an overview from the General Chemistry Virtual Textbook, this site focuses on titration in the relation between acids and bases. The information includes specific mention of titration curves.

At this site you will find a step by step process for making a natural pH indicator. One of the main materials you need to have on hand is a red cabbage.

This digital textbook covers core physical science concepts and includes interactive features, real world examples, and videos.

Learn about the autoionization of water, the autoionization constant Kw, and the relationship between [H+] and [OH-] in aqueous solutions.