\(n_{FeS_2}=\dfrac{10^5}{120}\left(mol\right)\)
\(4FeS_2+11O_2\underrightarrow{t^0}2Fe_2O_3+8SO_2\)
\(n_{SO_2}=2n_{FeS_2}=2\cdot\dfrac{10^5}{120}=\dfrac{10^5}{60}\left(mol\right)\)
\(m_{SO_2}=\dfrac{10^5}{60}\cdot64=1.06\cdot10^5\left(g\right)=106\left(kg\right)\)
\(V_{kk}=5V_{O_2}=5\cdot\dfrac{11}{4}\cdot\dfrac{10^5}{120}\cdot22.4=256666\left(l\right)\)
\(m_{Fe_2O_3}=\dfrac{10^5}{240}\cdot160=0.6\cdot10^5\left(g\right)=90\left(kg\right)\)
a) Ta có: \(n_{FeS_2}=\dfrac{100}{120}=\dfrac{5}{6}\left(kmol\right)\)
\(\Rightarrow n_{SO_2}=\dfrac{5}{3}\left(kmol\right)\) \(\Rightarrow m_{SO_2}=\dfrac{5}{3}\cdot64\approx106,67\left(kg\right)\)
b) Theo PTHH: \(n_{O_2}=\dfrac{11}{4}n_{FeS_2}=\dfrac{55}{24}\left(kmol\right)=\dfrac{6875}{3}\left(mol\right)\)
\(\Rightarrow V_{O_2}=\dfrac{6875}{3}\cdot22,4=\dfrac{154000}{3}\left(l\right)\)
Mà Oxi chiếm khoảng 20% thể tích không khí
\(\Rightarrow V_{kk}=\dfrac{\dfrac{154000}{3}}{20\%}\approx256666,7\left(l\right)\)
c) Theo PTHH: \(n_{Fe_2O_3}=\dfrac{1}{2}n_{FeS_2}=\dfrac{5}{12}\left(kmol\right)\)
\(\Rightarrow m_{Fe_2O_3}=\dfrac{5}{12}\cdot160=66,67\left(kg\right)\)
a) nFeS2=\(\dfrac{100}{120}=\dfrac{5}{6}\left(mol\right)\)
+nSO2=2nFeS2=\(\dfrac{5}{3}\)(mol)
+mSO2=\(\dfrac{5}{3}\).64 ≈ 106,6(Kg)
b)+nO2=2,75nFeS2=\(\dfrac{55}{24}\left(mol\right)\)
VO2=\(\dfrac{55}{24}.22,4\approx51,3\left(lit\right)\)
c) nFe2O3=\(\dfrac{1}{2}\)nFeS2=\(\dfrac{5}{12}\)(mol)
+mFeSO3=\(\dfrac{5}{12}.178=74,1\left(Kg\right)\)
Từ hồi có ai định nghĩa đơn vị kmol đâu mà các bạn dùng nhiều thế nhỉ ?