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17-04-2022
Chemistry

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Write a net ionic equation for the reaction that occurs when magnesium carbonate (s) and excess hydrochloric acid (aq) are combined.

Write a net ionic equation for the reaction that occurs when magnesium carbonate s and excess hydrochloric acid aq are combined class=

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nisansalawad2009 nisansalawad2009

17-04-2022

Answer:

2HBr(aq) + MgS(s) → MgBr2(aq) + H2S(g)

excess

Sulfide ion in solution exists as HS-. Adding additional H+ forces it to H2S gas.

H2S(g) <=> H+(aq) + HS-(aq)

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