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Vishya007
@Vishya007
August 2021
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с какими веществами взаимодействует соляная кислота
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svetka1574
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1) CaCO3 + 2HCl -> CaCl2 + CO2 ↑+ H2O
CaCO3 + 2H(+) + 2Cl(-)-> Ca(+2) + 2Cl(-) + CO2↑ + H2O
CaCO3 + 2H(+) -> Ca(+2) + CO2↑ + H2O
AgNO3 + HCl -> AgCl ↓+ HNO3
Ag(+) + NO3(-) + H(+) + Cl(-) -> AgCl↓ + H(+) + NO3(-)
Ag(+) + Cl(-)-> AgCl↓
Na2S + 2HCl -> 2NaCl + H2S↑
2Na(+) + S(-2) + 2H(+) + 2Cl(-) -> 2Na(+) + 2Cl(-)+ H2S↑
S(-2) + 2H(+) -> H2S↑
Na2SiO3 + 2HCl -> H2SiO3↓ + 2NaCl
2Na(+) + SiO3(-2) + 2H(+) + 2Cl(-) -> H2SiO3↓ + 2Na(+) + 2Cl(-)
2H(+) + SiO3(-2) -> H2SiO3↓
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Answers & Comments
Verified answer
1) CaCO3 + 2HCl -> CaCl2 + CO2 ↑+ H2OCaCO3 + 2H(+) + 2Cl(-)-> Ca(+2) + 2Cl(-) + CO2↑ + H2O
CaCO3 + 2H(+) -> Ca(+2) + CO2↑ + H2O
AgNO3 + HCl -> AgCl ↓+ HNO3
Ag(+) + NO3(-) + H(+) + Cl(-) -> AgCl↓ + H(+) + NO3(-)
Ag(+) + Cl(-)-> AgCl↓
Na2S + 2HCl -> 2NaCl + H2S↑
2Na(+) + S(-2) + 2H(+) + 2Cl(-) -> 2Na(+) + 2Cl(-)+ H2S↑
S(-2) + 2H(+) -> H2S↑
Na2SiO3 + 2HCl -> H2SiO3↓ + 2NaCl
2Na(+) + SiO3(-2) + 2H(+) + 2Cl(-) -> H2SiO3↓ + 2Na(+) + 2Cl(-)
2H(+) + SiO3(-2) -> H2SiO3↓