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what is the gram formula mass of NH43PO4 ?

Correct Answer: 149.08

Explanation:

The gram formula mass is nothing but molar mass.


 


Composition :


 


Symbol      Element       Atomic weight       Atoms
   


     P         Phosphorus       30.973762               1       = 30.973
   


     O         Oxygen             15.9994                  4       =  63.998
   


     N         Nitrogen            14.0067                  3       =  42.020
   


     H         Hydrogen          1.00794                  12      =  12.096


   


Total   =  30.973+63.998+42.020+12.096 = 149.087


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