Viết phương trình điện li của các chất sau trong dung dịch : a, CaCO3, NaOH. K2SO4, HBrO4 b, FeCl3. Al(OH)3. kOH. HClO4 c, KNO3. Fe(OH) 3. Ca(OH)2. cH3COONa d, BaSO4.CH3COOH. Ba(OH) 2.CH3COONa

a,

$CaCO_3\to Ca^{2+}+CO_3^{2-}$

$NaOH\to Na^++OH^-$

$K_2SO_4\to 2K^++SO_4^{2-}$

$HBrO_4\to H^++BrO_4^-$

b,

$FeCl_3\to Fe^{3+}+3Cl^-$

$Al(OH)_3\rightleftharpoons Al^{3+}+3OH^-$

$KOH\to K^++OH^-$

$HClO_4\to H^++ClO_4^-$

c,

$KNO_3\to K^++NO_3^-$

$Fe(OH)_3\rightleftharpoons Fe^{3+}+3OH^-$

$Ca(OH)_2\to Ca^{2+}+2OH^-$

$CH_3COONa\to CH_3COO^-+Na^+$

d,

$BaSO_4\to Ba^{2+}+SO_4^{2-}$

$CH_3COOH\rightleftharpoons CH_3COO^-+H^+$

$Ba(OH)_2\to Ba^{2+}+2OH^-$

$CH_3COONa\to CH_3COO^-+Na^+$