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8 July, 02:22

By analogy to examples given in the text, predict what gas forms when na2so3 (s) reacts with hcl (aq). express your answer as a chemical formula.

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  1. 8 July, 02:38
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    When Na2SO3 reacts with HCl forms NaCl and H2SO3

    2HCl (aq) + Na2SO3 (s) - - - >2NaCl + H2SO3 (aq)

    H2SO3 decomposes to form H2O and SO2 hence the full reaction will be

    2HCl (aq) + Na2SO3 (s) - - - > 2NaCl + H2O (l) + SO2 (g)
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