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Stoichiometry is hard to spell and even harder to do. But with our free stoichiometry videos, worksheets, and reference materials, it's easy to review what you've learned in class and lock in the skills you'll need for more advanced chemistry topics.
This site contains a video that explains stoichiometry and walks students through a sample problem. It then provides practice problems with feedback.

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Need help finding the limiting reactant in a Stoichiometry problem? In this video, a tutor shows you how to write and balance the chemical equation, determine the limiting reactant, and find the amount of the substance produced. You’ll express your answer in moles with the right significant figures.

This website is great because it generates numbers for students to guess how many sig figs each number has.

An online calculator for finding the molecular weight of compounds from their formulas.

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