[Hoá 9]Điều chế các chất

M

moon830

KCl -----------> Đpnc K+ Cl2
KCl+ H2SO4đ -----> K2SO4+ HCl(k)
KCl +H2O -----> (đpdd comn) KOH +H2+ Cl2
H2o---->(đp) H2+O2 H2+Cl2----> 2HCl
HCl +MnO2----->MnCl2 + Cl2 +H2o
 
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