What is the balanced equation for: Ammonium Carbonate and Magnesium Sulfate react to yield Ammonium Sulfate plus Magnesium Carbonate?

(NH₄)₂CO₃ (aq) + MgSO₄(aq)  →  (NH₄)₂SO₄(aq) + MgCO₃ (s) ↓  

Explanation:

We determine the reactants:

(NH₄)₂CO₃ → Ammonium carbonate

MgSO₄ → Magnesium sulfate

We determine the products:

(NH₄)₂SO₄ ; MgCO₃

All the salts from carbonates are precipitates:

(NH₄)₂CO₃ (aq) + MgSO₄(aq)  →  (NH₄)₂SO₄(aq) + MgCO₃ (s) ↓  

Ratio is all 1:1. 1 mol of ammonium carbonate reacts to 1 mol of magnessium sulfate in order to produce 1 mol of ammonium sulfate and 1 mol of magnessium carbonate.

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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~ trueboss72