Wednesday, July 20, 2011
Finding Formula of a hydrate~Chemistry?
The formula for Epsom salts can be written as MgSO4 - xH2O, where x indicates the number of H2O moles of per mole of MgSO4. When 4.555 g of this hydrate is heated to 250 degrees C, all the water of hydration is lost, leaving 2.225 g of MgSO4. What is the value of x?
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