Question

Определите массовые доли элементов в процентах: FeO

Answer 1

W=( Ar*n) /Mr
Mr(**FeO) =56+16= 72
W(Fe)= 56/72=0,78=78%
W(O)= 16/72=0,22= 22%

Answer 2

Mass Fraction of Elements in FeO

The mass fractions of elements in FeO are as follows: - Fe: 71.85% - O: 28.15%

The mass fraction of Fe in FeO is approximately 71.85%, while the mass fraction of O in FeO is approximately 28.15%.

This information is based on the chemical composition of FeO as provided in the search results.