K---KOH---KHSO4---K2SO4---BASO4
2K + 2H2O = 2KOH + H2
KOH + H2SO4 = KHSO4 + H2O
KHSO4 + H2SO4 = K2SO4 + H2O K2SO4 + BaCl2 = BaSO4 + 2KCl
1) 2K + 2H2O = 2KOH +H2
2) KOH + H2SO4 = KHSO4 + H20
3) KHSO4 --(240℃)-→ K2SO4 + H2SO4
4) K2SO4 + Ba(OH)2 = BaSO4 + 2KOH
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K---KOH---KHSO4---K2SO4---BASO4
2K + 2H2O = 2KOH + H2
KOH + H2SO4 = KHSO4 + H2O
KHSO4 + H2SO4 = K2SO4 + H2O
K2SO4 + BaCl2 = BaSO4 + 2KCl
Verified answer
1) 2K + 2H2O = 2KOH +H2
2) KOH + H2SO4 = KHSO4 + H20
3) KHSO4 --(240℃)-→ K2SO4 + H2SO4
4) K2SO4 + Ba(OH)2 = BaSO4 + 2KOH