Determining the Formula of a Hydrate

O for every 1 mole Na. 2. S. 2. O. 3. Objectives: 1. Calculate the molar mass of a compound 2. Convert grams to moles 3. Determine the formula of a hydrate . 4. Determine the mass percentage of water in a hydrate 5. Understand the law of definite composition and law of conservation of mass ................
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