[hóa 10] bài 29: oxi

C

chuotcon1212

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K

kakashi_hatake

$KClO_3 \xrightarrow{t^o, \ MnO_2} KCl+\dfrac{3}{2}O_2 \\ 0.4 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 0.6 \\ S+O_2 \rightarrow SO_2 \\ 0.6 \ \ \ \ \ \ 0.6 \\ n_S=\dfrac{19.2}{32}=0.6 \ mol \\ m_{KClO_3}=122,5.0,4.1,1=53,9g$
 
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