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Sunday, May 9, 2021

Write the POAC equations for all the atoms in the following reaction.

Illustrative solution:

Applying POAC on (P) atoms:

                                                    P à H3PO4

Numbers of moles of (P) atoms in P4 = Numbers of moles of (P) atoms in H3PO4

                                               4x nP4= 1x nH3PO4

Applying POAC on (H) atoms:

                                       1x nHNO3 = 3 x nH3PO4 + 2 x nH2O

Applying POAC on (N) atoms:

                                       1 x nHNO3 = 1 x nNO2

Applying POAC on (O) atoms:

                                       3 x nHNO3 = 4 x nH3PO4 +2 x nNO2 + 1nH2O

Related Questions:

Principle of atom conservation (PAOC):

Illustrative example (2) 27.6 gm K2CO3 (138) was treated by a series of reagents so as to convert all its carbon into K2Zn3[Fe(CN)6]2(MM=698) Calculate mass of K2Zn3[Fe(CN)6]2.

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