Write the molecular and concise ionic equation for the hydrolysis of NA2SO3.

Write the molecular and concise ionic equation for the hydrolysis of NA2SO3. indicate the nature of the environment and pH?

Hydrolysis of sodium sulfate salt is possible, since the salt is formed by a strong base and a weak acid. Let’s write the equations:
1st stage:
Na2SO3 + H2O = NaOH + NaHSO3 – molecular equation;
2Na + + SO32- + H2O = Na + + OH- + Na + + HSO3- – ionic equation;
SO32- + H2O = HSO3- + OH- – the abbreviated equation shows an alkaline environment;
2nd stage:
NaHSO3 + H2O = NaOH + H2SO3;
Na + + HSO3 – + H2O = Na + + OH- + H2SO3;
HSO3- + H2O = H2SO3 + OH-.
The abbreviated ionic equation shows that the medium is alkaline, the pH value is> 7.



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