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horrorfan [7]
3 years ago
5

Write a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydroiodic acid and aqueous sodium su

lfite.
Chemistry
1 answer:
Leona [35]3 years ago
6 0
First, we construct the reaction equation:

Na₂SO₃ + 2HCl → 2NaCl + SO₂ + H₂O

H₂SO₃ is formed as an intermediate but decomposes to water and SO₂ gas.
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