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dasha01011
@dasha01011
November 2021
2
15
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пожалуйста решите:
Na2SO3+H2O
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natalie24
Verified answer
Na2SO3+2H2O=H2SO3+2NaOH
4 votes
Thanks 4
dasha01011
Спасибо)
Krovojmot
)1. Na2CO3+H2O-->NaHCO3+NaOH
CO3(-2)+2Na(+)+H(+)+OH(-)-->HCO3(-)+OH(-)+2Na(+)
NaHCO3+H2O-->NaOH+H2CO3
HCO3(-)+Na(+)+H(+)+OH(-)-->H2CO3+OH(-)+Na(+)
щелочная среда pH>7
2. FeCl3+H2O-->Fe(OH)Cl+2HCl
Fe(+3)+3Cl(-)+H(+)+OH(-)-->FeOH+3Cl(-)+2H(+)
Fe(OH)Cl+H2O-->Fe(OH)3+HCl
Fe(OH)(+)+HOH-->Fe(OH)3+H(+)
кислая среда pH<7
DiAngelL
Verified answer
Na2SO3 + 2H2O -> H2SO3 + 2NaOH
2 votes
Thanks 4
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Answers & Comments
Verified answer
Na2SO3+2H2O=H2SO3+2NaOHCO3(-2)+2Na(+)+H(+)+OH(-)-->HCO3(-)+OH(-)+2Na(+)
NaHCO3+H2O-->NaOH+H2CO3
HCO3(-)+Na(+)+H(+)+OH(-)-->H2CO3+OH(-)+Na(+)
щелочная среда pH>7
2. FeCl3+H2O-->Fe(OH)Cl+2HCl
Fe(+3)+3Cl(-)+H(+)+OH(-)-->FeOH+3Cl(-)+2H(+)
Fe(OH)Cl+H2O-->Fe(OH)3+HCl
Fe(OH)(+)+HOH-->Fe(OH)3+H(+)
кислая среда pH<7
Verified answer
Na2SO3 + 2H2O -> H2SO3 + 2NaOH