1.
w(Fe)=112/160*100%=70%
w(O)=48/160=30%
2.
W(S)=32/80=40%
W(O)=48/80=60%
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Answers & Comments
1.
w(Fe)=112/160*100%=70%
w(O)=48/160=30%
2.
W(S)=32/80=40%
W(O)=48/80=60%