In a gravimetric determination of phosphorus, 0.248 g of an organic co – InterviewSolution

1.	In a gravimetric determination of phosphorus, 0.248 g of an organic compound was strongly heated in a Carius tube with concentrated HNO_(3). Phosphoric acid so produced was precipitated as MgNH_(4)PO_(4) which on ignition yielded 0.444 g of Mg_(2)P_(2)O_(7). The percentage of phosphorus in the compound is
Answer» 2.5 `5.0` 7.5 50 Answer :D

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