nFe = 11,2 : 56 = 0,2 (mol)
pthh : 3Fe + 2O2 -t-> Fe3O4
0,2 0,13 0,06
=> VO2 = 0,13 . 22,4 = 2,912 l
=> mFe3O4 = 0,06 . 232 = 13,93g
\(n_{Fe}=\dfrac{11,2}{56}=0,2mol\)
\(3Fe+2O_2\rightarrow\left(t^o\right)Fe_3O_4\)
0,2 2/15 1/15 ( mol )
\(V_{O_2}=\dfrac{2}{15}.22,4=2,98l\)
\(m_{Fe_3O_4}=\dfrac{1}{15}.232=15,46g\)
3Fe+2O2-to>Fe3O4
0,2-----2\15------1\15 mol
n Fe=\(\dfrac{11,2}{56}=0,2mol\)
=>VO2=\(\dfrac{2}{15}.22,4=2,98l\)
=>m Fe3O4=\(\dfrac{1}{15}\).232=15,4g
\(n_{Fe}=\dfrac{m}{M}=\dfrac{11,2}{56}=0,2mol\)
\(PTHH:3Fe+2O_2\underrightarrow{t^o}Fe_3O_4\)
\(3\) \(:\) \(2\) \(:\) \(1\) \(mol\)
\(0,2\) \(:\) \(\dfrac{2}{15}\) \(:\) \(\dfrac{1}{15}\) \(mol\)
\(a,V_{O_2}=n.22,4=\dfrac{2}{15}.22,4=2,98l\)
\(m_{Fe_3O_4}=n.M=\dfrac{1}{15}.232=15,46g\)