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Answer to Question #172600 in General Chemistry for Kyle
Question #172600
Compute the numerical value of Gravimetric factor for Magnesium ammonium phosphate hexahydrate (MgNH4PO4.6H2O) precipitate into phosphorous (as tetraphosphorous decoxide, P4O10) .
Expert's answer
Gf = Mass of mg MgNH4PO4.6H2O/ molecular Mass of MgNH4PO4.6H2O + P4O10
Molar mass of MgNH4PO4.6H2O
= 24.3050 + 14.0067 + 30.973762 + 4 (15.994) + 6 (2.01588 + 15.994)
= 245. 4065g/mol
Molecular Mass of molecular Mass of MgNH4PO4.6H2O + P4O10
= 24.3050 + 14.0067 + 30.973762 + 4 (15.994) + 6 (2.01588 + 15.994) + 4(30.973762) + 10(15.994)
= 529.241548
Gf = 245.4065/529.241548
= 0.4637
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