The molar mass of the protein is 16,922.73 g/mol.
Given:
A protein sample, with 1 atom of iron in its chemical formula.
The mass percent of iron in the protein is 0.330%.
To find:
The molar mass of protein
Solution:
The mass percentage of iron in protein = 0.330%
The atomic mass of iron = 55.845 g/mol
Number of iron atoms in protein = 1
The molar mass of protein = M
The mass percentage of elements in a compound is given by:
[tex]=\frac{\text{Atomic mass of element}\times \text{Number of atoms of element}}{\text{Molar mass of compound}}\times 100[/tex]
The percentage of iron in the protein will :
[tex]0.330\%=\frac{55.845g/mol\times 1}{M}\times 100\\\\M=\frac{55.845g/mol\times 1}{0.330}\times 100\\\\=16,922.73 g/mol[/tex]
The molar mass of the protein is 16,922.73 g/mol.
Learn more about the mass percentage of elements here:
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