Determine how many molecules of water occur
If Epsom salt, MgSO4, H2O, is heated to 250degrees C, all the water of hydration is lost.0.824g of MgSO4remains, on heating a 1.687-g sample of the hydrate. Determine how many molecules of water occur the pure formula unit of MgSO4?
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With a volume of 59.7ml a metal slug weighing 25.17g is added to a flask. It is found that to fill the glass the 43.7g of methanol (d=0.791g/ml) must be added to the metal. Discuss the density of the metal?
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Calculate if the heat of solution is endothermic and exothermic from the magnitude of the lattice energy and the hydration energy and vice versa and define the difference among the hydration energy and lattice energy.
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