Make a hydrolysis equation, according to which ion they are hydrolyzed, indicate the pH of the medium
| June 21, 2021 | education
Make a hydrolysis equation, according to which ion they are hydrolyzed, indicate the pH of the medium for the Na2SO3 salt.
Sodium sulfite is a salt of a strong base and a weak acid; therefore, hydrolysis proceeds along the anion. The reaction takes place in two stages:
Na2SO3 + H2O = NaHSO3 + NaOH
NaHSO3 + H2O = H2SO3 + NaOH
The medium of the salt solution is alkaline (pH> 7), since a strong alkali and a weak acid are formed as a result of hydrolysis.
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