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dashuta11
@dashuta11
July 2022
2
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Решите схему превращения -
Са-СаО-Са(ОН)2-СаSO4-Ca(OH)2
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mrvladimir2
Verified answer
2Сa + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + H2SO4 = CaSO4 + 2H2O
CaSO4 + Ba(OH)2 = Ca(OH)2 + BaSO4
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Владислав199910
2Ca+O2=2CaO
CaO+H2O=Ca(OH)2
Ca(OH)2+H2SO4=CaSO4+2H2O
CaSO4+2KOH=Ca(OH)2+K2SO4
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Answers & Comments
Verified answer
2Сa + O2 = 2CaOCaO + H2O = Ca(OH)2
Ca(OH)2 + H2SO4 = CaSO4 + 2H2O
CaSO4 + Ba(OH)2 = Ca(OH)2 + BaSO4
CaO+H2O=Ca(OH)2
Ca(OH)2+H2SO4=CaSO4+2H2O
CaSO4+2KOH=Ca(OH)2+K2SO4