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sveta14kr
@sveta14kr
July 2022
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напишите полное и сокращенное ионно- молекулярное уравнение реакций:
FeCl2+NaOH
Al2O3+HCl
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lenkaschurowa
1)
FeCl2 + 2NaOH = Fe(OH)2 + 2NaCl
Fe(2+) + 2Cl(-) + 2Na(+) + 2OH(-) = Fe(OH)2 + 2Na(+) + 2Cl (-)
Fe(2+) + 2OH(-) = Fe(OH)2
2) 2
Al2O3 + 3HCl = 2AlCl3 + 3H2O
2
Al2O3 + 3H(+) + 3Cl(-) = 2Al(3+) + 3Cl(-) + 3H2O
2Al2O3 + 3H(+) = 2Al(3+) + 3H2O
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Answers & Comments
Fe(2+) + 2Cl(-) + 2Na(+) + 2OH(-) = Fe(OH)2 + 2Na(+) + 2Cl (-)
Fe(2+) + 2OH(-) = Fe(OH)2
2) 2Al2O3 + 3HCl = 2AlCl3 + 3H2O
2Al2O3 + 3H(+) + 3Cl(-) = 2Al(3+) + 3Cl(-) + 3H2O
2Al2O3 + 3H(+) = 2Al(3+) + 3H2O