Asked by science
Write complete balanced chemical equations for the following reactions. Include states of matter
1. A solution of potassium carbonate reacts with hydrobromic acid.
2. Potassium sulfite powder reacts with sulfuric acid. (Think!)
3. Elemental iron reacts with hydrochloric acid (assume iron(III) is formed).
1. A solution of potassium carbonate reacts with hydrobromic acid.
2. Potassium sulfite powder reacts with sulfuric acid. (Think!)
3. Elemental iron reacts with hydrochloric acid (assume iron(III) is formed).
Answers
Answered by
DrBob222
You add the states of matter.
1. A solution of potassium carbonate reacts with hydrobromic acid.
K2CO3 + 2HBr ==> CO2 + H2O + 2KBr
2. Potassium sulfite powder reacts with sulfuric acid. (Think!)
K2SO3 + H2SO4 ==> K2SO4 + H2SO3 but H2SO3 is a weak acid and will decompose to SO2 and H2O. Full equation is
K2SO3 + H2SO4 ==> K2SO4 + SO2 + H2O
3. Elemental iron reacts with hydrochloric acid (assume iron(III) is formed).
2Fe(s) + 6HCl(aq) ==> 2FeCl3(aq) + 3H2(g)
1. A solution of potassium carbonate reacts with hydrobromic acid.
K2CO3 + 2HBr ==> CO2 + H2O + 2KBr
2. Potassium sulfite powder reacts with sulfuric acid. (Think!)
K2SO3 + H2SO4 ==> K2SO4 + H2SO3 but H2SO3 is a weak acid and will decompose to SO2 and H2O. Full equation is
K2SO3 + H2SO4 ==> K2SO4 + SO2 + H2O
3. Elemental iron reacts with hydrochloric acid (assume iron(III) is formed).
2Fe(s) + 6HCl(aq) ==> 2FeCl3(aq) + 3H2(g)
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