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Ками5
@Ками5
August 2021
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Помогите. Срочно нужно
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Мефистофель777
1) Na2SO4 + BaCl2 = 2NaCl + BaSO4↓
2Na + SO4 + Ba + 2Cl = 2Na + 2Cl + BaSO4
Ba + SO4 = BaSO4
2) Mg(NO3)2 + 2NaOH = Mg(OH)2↓ + 2NaNO3
Mg + 2NO3 + 2Na + 2OH = Mg(OH)2 +
2Na +2NO3
Mg + 2OH = Mg(OH)2
3) CuCl2 + 2AgNO3 = Cu(NO3)2 + 2AgCl
↓
Cu + 2Cl + 2Ag + 2NO3 = Cu + 2NO3 + 2AgCl
↓
2Ag + 2Cl = 2AgCl
4) K2SiO3 + 2HCl = H2SiO3↓ + 2KCl
2K + SiO3 + 2H +2Cl = H2SiO3↓ + 2K +2Cl
SiO3 + 2Hl = H2SiO3↓
5) 2Na3PO4 + 3MgCl2 = 6NaCl + Mg3(PO4)2↓
6Na + 2PO4 + 3Mg + 6Cl = 6NaCl +
Mg3(PO4)2
3Mg + 2PO4 =
Mg3(PO4)2
6)Al2(SO4)3 + 6NaOH =
2Al(OH)3+3Na2SO4
2Al + 3SO4 + 6Na + 6OH = 2Al(OH)3↓
+ 6Na + 3SO4
2Al + 6OH =
2Al(OH)3
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Answers & Comments
2Na + SO4 + Ba + 2Cl = 2Na + 2Cl + BaSO4
Ba + SO4 = BaSO4
2) Mg(NO3)2 + 2NaOH = Mg(OH)2↓ + 2NaNO3
Mg + 2NO3 + 2Na + 2OH = Mg(OH)2 + 2Na +2NO3
Mg + 2OH = Mg(OH)2
3) CuCl2 + 2AgNO3 = Cu(NO3)2 + 2AgCl↓
Cu + 2Cl + 2Ag + 2NO3 = Cu + 2NO3 + 2AgCl↓
2Ag + 2Cl = 2AgCl
4) K2SiO3 + 2HCl = H2SiO3↓ + 2KCl
2K + SiO3 + 2H +2Cl = H2SiO3↓ + 2K +2Cl
SiO3 + 2Hl = H2SiO3↓
5) 2Na3PO4 + 3MgCl2 = 6NaCl + Mg3(PO4)2↓
6Na + 2PO4 + 3Mg + 6Cl = 6NaCl + Mg3(PO4)2
3Mg + 2PO4 = Mg3(PO4)2
6)Al2(SO4)3 + 6NaOH = 2Al(OH)3+3Na2SO4
2Al + 3SO4 + 6Na + 6OH = 2Al(OH)3↓ + 6Na + 3SO4
2Al + 6OH = 2Al(OH)3