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pavel256pavel
@pavel256pavel
November 2021
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maksim2015vip
Verified answer
Ставь спасибо и лучший ответ.
9.
1)CaO + H2O → Ca(OH)
2
2)
Ca(OH)2 + 2HCl → CaCl2 + 2H2O
3)
CaCl2+Na2SO4 → CaSО4+2NaCl
4)
2CaSO4
→
2CaO + 2SO2 + O
2
Ответ: А.
10.
1)
CaC2 + 2H2O → Ca(OH)2 + C2H
2
2)C2H2+H2O → CH3COH
3)CH3COH + H2 → C2H5OH
4)
2Na + 2C2H5OH → C2H5ONa + H
2
Ответ: Г.
3 votes
Thanks 1
pavel256pavel
спасибо большое)
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Answers & Comments
Verified answer
Ставь спасибо и лучший ответ.9.
1)CaO + H2O → Ca(OH)2
2)Ca(OH)2 + 2HCl → CaCl2 + 2H2O
3)CaCl2+Na2SO4 → CaSО4+2NaCl
4)2CaSO4 → 2CaO + 2SO2 + O2
Ответ: А.
10.
1)CaC2 + 2H2O → Ca(OH)2 + C2H2
2)C2H2+H2O → CH3COH
3)CH3COH + H2 → C2H5OH
4)2Na + 2C2H5OH → C2H5ONa + H2
Ответ: Г.