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SofiaSlipycha2007
@SofiaSlipycha2007
July 2022
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Будь ласка допоможвть з хімії!
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MirniyVN
Ответ:
1. 1. 4Na + O2 = 2Na2O
2. Na2O + H2O = 2NaOH
3. 2NaOH + MgCl2 = Mg(OH)2 + 2NaCl
4. Mg(OH)2 + 2NaCl = MgCl2 + 2NaOH
5. 3MgCl2 + Ca3(PO4)2 = Mg3(PO4)2 + 3CaCl2
2. Ca(OH)2, BaCl2, Zn(NO3)2, CaO, KNO3, NaNO3, H2SO3.
3. a) SO3
б) FePO4
в) Al(NO3)3
4. a) AlCl3 + 3NaOH = 3NaCl + Al(OH)3
б) 3Ba(OH)2 + 2H3PO4 = Ba3(PO4)2 + 5H2O
в) Mg + CuCl2 = MgCl2 + Cu ↓
Объяснение:
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SofiaSlipycha2007
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Answers & Comments
Ответ:
1. 1. 4Na + O2 = 2Na2O
2. Na2O + H2O = 2NaOH
3. 2NaOH + MgCl2 = Mg(OH)2 + 2NaCl
4. Mg(OH)2 + 2NaCl = MgCl2 + 2NaOH
5. 3MgCl2 + Ca3(PO4)2 = Mg3(PO4)2 + 3CaCl2
2. Ca(OH)2, BaCl2, Zn(NO3)2, CaO, KNO3, NaNO3, H2SO3.
3. a) SO3
б) FePO4
в) Al(NO3)3
4. a) AlCl3 + 3NaOH = 3NaCl + Al(OH)3
б) 3Ba(OH)2 + 2H3PO4 = Ba3(PO4)2 + 5H2O
в) Mg + CuCl2 = MgCl2 + Cu ↓
Объяснение: