Question

химия:Na+H2SO4-; 2) Na+H2SO3-; 3)Ca+H2O-; 4) Ca+HC1-; 5) Ca+H2SO4-; 6) Zn+H2O-; 7) Zn+HC1-; 8) Zn+H2SO4-; 9) Zn+Cl2- решение

Answer 1

8Na + 5H2SO4 = 4Na2SO4 + H2S +4H2O