MgNH4PO4.6H2O loses H2O stepwise as it is heated. between 40C and 60C the monohydrate (MgNH4PO4.H2O) is formed and above 100C…

MgNH4PO4.6H2O loses H2O stepwise as it is heated. between 40C and 60C the monohydrate (MgNH4PO4.H2O) is formed and above 100C the anhydrous material (MgNH4PO4) is formed. What are the phosphorus percentage of the monohydrate and anhydrous material?