Regents Prep Chemistry: Online Resources

Regents Prep: Chemistry
Online Resources

2d. Moles/Stoichiometry: Moles Resources

Chemical Reactions (Virtual Chem Class)
Click on the stoichiometry link on the left for an excellent, easy to understand, slide show about mole calculations.

Guide Sheet for Moles Problems (Gwen Sibert)
Short, easy guide with directions for calculating molar mass, % composition, and empirical formula; calculating empirical formula (from experimentally determined masses); finding molecular formulas (when molar mass is known).

Hints for Solving Stoichiometry Problems (S.E. Van Bramer)
Compares receipe for double bacon cheeseburger to mole problems. A neat idea! If you are unsure about mole problems, check this out. http://science.widener.edu/svb/pset/stoichio.html

Mole Conversions: Given Grams, Convert to Moles (John Park)
Worksheet and sample problems.

Moles and Number (Bob Salsa)
Explains moles and Avogadro number, moles and mass, mole ratio and chemical formulas, moles and chemical formulas, moles and Ideal Gas Law (pV=nRT).

Stoichiometry (Gwen Sibert)
Learn how to do mole equations by using this easy-to-follow slide show .

Stoichiometry RoadMap (Homework Central)
Scroll down to the stoichiometry roadmap for a graphic overview of mole problems.

Stoichiometry: A Quantitative study of chemical changes (Internet Science Room)
Detailed directions for mass-mass problems, practice problems and limiting reactants.

What is a Mole? (Internet Science Room)
Check this out! Easy to understand: definitions, sample calculations, and practice problems converting grams to atoms, grams to molecules, and moles to grams.

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