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Dr. Miriam Douglass
Dr. Martin McClinton
In this interactive object, learners determine the limiting reagent and the excess reagent in chemical reactions. Learners test their knowledge by solving three problems.
By Jill Larson
In this animated object, students examine the role equilibrium plays in everyday life. Formulas are presented in an interactive way.
Calculating Formula Weight and Molecular Weight
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
In this interactive object, learners calculate formula and molecular weights by working through five examples and two problems.
By Dr. Miriam Douglass, Dr. Martin McClinton
In this interactive and animated object, learners use solubility rules to predict when an insoluble ionic compound will precipitate in a double replacement reaction. Four step-by-step examples are given.
Percent Composition of Compounds
Learners examine the method used to calculate the mass percent of an element in a compound. Three examples and one problem illustrate the method.
why rinse filter paper which filtered copper(ii)susupernatant with distilled water
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