a)
%C=\(\frac{12.12}{342}.100\approx42,1\%\)
%H=\(\frac{22.1}{342}.100\approx6,43\%\)
%O=\(\frac{16.11}{342}.100\approx51,47\%\)
b)
%Fe=\(\frac{56.2}{400}.100=28\%\)
%S=\(\frac{3.32}{400}.100=24\%\)
%O=\(\frac{16.4.3}{400}.100=48\%\)
a)M\(_{C_{12}H_{22}O_{11}}\)=(12.12)+(1.22)+(16.11)=342(g/mol)
%C=\(\dfrac{144.100}{342}\)≈42,1%
%H=\(\dfrac{22.100}{342}\)≈6,43%
%O=100%-(42,1%+6,43%)=51,47%
b)M\(_{F_2\left(SO_4\right)_3}\)=(56.2)+(96.3)=400(g/mol)
%Fe=\(\dfrac{112.100}{400}\)=28%
%S=\(\dfrac{96.100}{400}\)=24%
%O=100%-(24%+28%)=48%