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| Molarity | 23 mins | 0 completed | Learn Summary |
| Normality & Equivalent Weight | 24 mins | 0 completed | Learn Summary |
| Solution Stoichiometry | 22 mins | 0 completed | Learn |
| Solubility Rules | 7 mins | 0 completed | Learn Summary |
| Net Ionic Equations | 21 mins | 0 completed | Learn Summary |
| Electrolytes | 19 mins | 0 completed | Learn Summary |
| Redox Reaction | 32 mins | 0 completed | Learn Summary |
| Balancing Redox Reactions | 22 mins | 0 completed | Learn |
| Activity Series | 19 mins | 0 completed | Learn |
| End of Chapter 4 Problems | 46 mins | 0 completed | Learn |
| Additional Practice |
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| Dilution |
| Redox Reactions |
| Calculate Oxidation Number |
| Types of Chemical Reactions |
| Additional Guides |
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| Net Ionic Equation |
| Oxidation Reduction (Redox) Reactions |
| Oxidation Number |
Iron corrodes to produce rust, Fe2O3, but other corrosion products that can form are Fe(O)(OH), iron oxyhydroxide, and magnetite, Fe3O4.
It turns out that there are two different kinds of Fe in magnetite that have different oxidation numbers. Suggest what these oxidation numbers are and what their relative stoichiometry must be, assuming oxygens oxidation number is -2.
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