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20 September, 13:10

What is the formula to sulfurous acid? H2S. HSO4. H2SO4. H2SO3.

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Answers (2)
  1. 20 September, 13:48
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    H2SO3 is the correct answer
  2. 20 September, 15:27
    0
    Sulfurous acid a chemical compound and its formula is H₂SO₃.
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