Perform chains a) Na2Co3 ⟶Na2S ⟶ NaCl, b) CuSO4 ⟶ Cu (OH) 2 ⟶CuCl2

univerkov | November 22, 2020 | education

1) Exchange reaction Na2CO3 + H2S ==> Na2S + H2O + CO2 2) Exchange reaction Na2S + 2HCl ==> Nacl + H2S

1) Exchange reaction CuSO4 + 2NaOH ==> Cu (OH) 2 + Na2SO4 2) Exchange reaction Cu (OH) 2 + 2HCl ==> CuCl2 + 2H2O

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