Question

In: Chemistry

BALANCING: Na2SO3 (aq) + H2SO4(aq) PLEASE explain your answer. im fine w balancing, im just confused...

BALANCING: Na2SO3 (aq) + H2SO4(aq)

PLEASE explain your answer. im fine w balancing, im just confused with trying to find the reaction formula. i know the answer, i need to know HOW you got it (ive looked everywhere and cant find an explanation for why you get the H20 and the SO2 in the answer)

Solutions

Expert Solution

The balanced equation is as follows

Na2SO3 (aq) + H2SO4(aq) ----------------------> Na2SO4 (aq) + SO2 (g) + H2O(l)

the complete ionic equation is as follows

2 Na+(aq) + SO32-(aq) + 2 H+(aq) + SO42-(aq) --------------------> 2 Na+(aq) + SO42-(aq) + SO2 (g) + H2O(l)

the net ionic equation is as follows

SO32-(aq) + 2 H+(aq) -----------------------> SO2 (g) + H2O(l)

here the H2SO4 reacts with Na2SO3 and the Na2SO4 salt is formed with the evolution of SO2 gas and the water is formed during the reaction by the displacement reaction


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