mFeS2 = 1.\(\dfrac{80}{100}\) = 0,8 tấn
nFeS2 = \(\dfrac{0,8}{120}\) = \(\dfrac{1}{150}\) mol/ tấn
2FeS2 + \(\dfrac{11}{2}\)O2 \(^{to}\rightarrow\) Fe2O3 + 4SO2 \(\uparrow\)
\(\dfrac{1}{150}\)-------------------------->\(\dfrac{1}{75}\)
- do H = 90% => nSO2(thực tế) = \(\dfrac{1}{75}.\dfrac{90}{100}\) = 0,012mol/tấn
2SO2 + O2 \(^{to}\rightarrow\) 2SO3
0,012------------>0,012
- do H = 64 % => nSO3(thực tế) = 0,012. \(\dfrac{64}{100}\) = 0,00768 mol/ tấn
SO3 + H2O -> H2SO4
0,00768------->0,00768
- do H = 80 % => nH2SO4 = 0,00768 . 80% = 0,006144 mol/tấn
=> mH2SO4 = 0,006144 . 98 = 0,602112 tấn = 602,112 kg
=>mH2SO4(72%) = 602,112 . 72% = 433,52064 kg