sắt

N

nhoc_maruko9x

[tex]4FeS_2 + 11O_2 \rightarrow 2Fe_2O_3 + 8SO_2[/tex]

[tex]\left\{m_{SO_2} - m_{O_2} = 360 - 264 = 96g\\11n_{SO_2}-8n_{O2}=0[/tex]

[tex]\Rightarrow n_{SO_2} = 4.8 \Rightarrow V = 107.52l[/tex]

[tex]n_{FeS_2} = 0.5n_{SO_2} = 2.4 \Rightarrow H = 2.4/3 = 0.8[/tex]
 
T

thehung08064

hieu suat phan ung la 80%.ban dung tang giam khoi luong.FeS2=>Fe2O3.1 mol FeS2 phan ung thi giam 40g=>npu=2.4mol.ra hieu suat.con khi nSO2=4.8mol
 
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