\(n_{FeS}=\dfrac{22}{88}=0,25\left(mol\right)\\
pthh:Fe+S\underrightarrow{t^o}FeS\)
0,25 0,25
\(m_{Fe}=0,25.56=14g\)
\(n_{Fe}=\dfrac{18}{56}=\dfrac{9}{28}\left(mol\right)\\
pthh:Fe+S\underrightarrow{t^o}FeS\)
\(\dfrac{9}{28}\) \(\dfrac{9}{28}\)
\(H\%=\dfrac{\dfrac{9}{28}}{0,25}.100\%=128\%\)
\(n_{FeS}=\dfrac{22}{88}=0,25\left(mol\right)\)
PTHH: Fe + S --to--> FeS
0,25<----------0,25
b, => mFe = 0,25.56 = 14 (g)
c, \(H=\dfrac{14}{18}.100\%=77,78\%\)