13 Nov 2021
Problem 107
Page 121
Section: Cumulative Problems
Chapter 3: Molecules, Compounds, and Chemical Equations
Textbook ExpertVerified Tutor
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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