Ответ:
K-K2SO4-H2SO4-BaSO4
1) 2K+2H2O=2KOH+H2
2) 2KOH+H2SO4=K2SO4+2H2O
3) K2SO4+2HCl=2KCl+H2SO4
4) H2SO4+Ba(OH)2=BaSO4+2H2O
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Answers & Comments
Ответ:
K-K2SO4-H2SO4-BaSO4
1) 2K+2H2O=2KOH+H2
2) 2KOH+H2SO4=K2SO4+2H2O
3) K2SO4+2HCl=2KCl+H2SO4
4) H2SO4+Ba(OH)2=BaSO4+2H2O