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| Metal Alloys | 7 mins | 0 completed | Learn |
| Polyatomic Ions | 15 mins | 0 completed | Learn Summary |
| Naming Covalent Compounds | 6 mins | 0 completed | Learn |
| Naming Ionic Compounds | 36 mins | 0 completed | Learn |
| Naming Acids | 14 mins | 0 completed | Learn |
| Empirical Formula | 14 mins | 0 completed | Learn Summary |
| Combustion Analysis | 13 mins | 0 completed | Learn |
| Mass Percent Formula | 17 mins | 0 completed | Learn Summary |
| Balancing Chemical Equations | 8 mins | 0 completed | Learn |
| Functional Groups in Chemistry | 13 mins | 0 completed | Learn |
| Stoichiometry | 61 mins | 0 completed | Learn Summary |
| Additional Practice |
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| Ionic and Covalent Bonds |
| Molecular Models |
| Limiting Reagent |
| Percent Yield |
| Additional Guides |
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| Molecular Formula |
| Balancing Chemical Equations Worksheet |
| Theoretical Yield |
| Limiting Reactant |
Epsom salts is a hydrated ionic compound with the following formula: MgSO4 • xH2 O. A 4.93 g sample of Epsom salts is heated to drive off the water of hydration. The mass of the sample after complete dehydration was 2.41 g.
Find the number of waters of hydration (x) in Epsom salts.
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