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13 Nov 2021

Given information

The mass percent composition of phosphorus is .

 

Step-by-step explanation

Step 1.

The given compound is  .

The given compound has   of   atom.

The atomic mass of phosphorus is  .

Therefore, mass of phosphorus in one mole of   is,

 .

The formula to calculate mass percent composition for element is,

 

Where,

  •   represents the mass of each element in   of the compound.

  •   represents the molar mass of the compound.

Substitute the value of and mass percent in the above formula.

 

 

         

Therefore, the molar mass of   is  .

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