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Hoá 9
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Cu(OH)2 +.... ---> CuCl2 + H2O
HCl
Oops!
Okay!
K2O + .... ---> KOH
H20
Oops!
Okay!
Ba(OH)2 + CO2-->
BaCO3 + H2O + CO2
Oops!
Okay!
Na2SO4 + ... --> BaSO4 + NaCl
BaCl2
Oops!
Okay!
Fe + HCl
FeCl2 + H2
Oops!
Okay!
Na2CO3 + H2SO4 -->
Na2SO4 + H2O + CO2
Oops!
Okay!
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