3.1 Reactions in Aqueous Solutions Notes

solute

solvent

salt water

the saturant

a balanced chemical equation in which all the reactants and products are given by their chemical formula.

a chemical equation that shows all soluble species broken into their respective ions.

a chemical equation showing only the species which are actively involved in the reaction.

Na⁺² + (SO₄)^-1

Na⁺¹ + (SO₄)^-1

Na⁺² + (SO₄)^-4

Na⁺¹ + (SO₄)^-2

Ba ²⁺ (aq) + Cl₂ ^- (aq) → BaCl₂ (s)

Ba ²⁺ (aq) + 2 Cl ^- (aq) →BaCl₂ (s)

BaCl₂ (aq) →Ba ²⁺ (aq) + 2 Cl ^- (aq)

BaCl₂(s)→Ba ²⁺(aq)+ 2Cl^- (aq)

Ag and NO₃

Na and Cl

Na and NO₃

Ag and Cl

2 K⁺_(aq) + SO₄^2-_(aq) → K₂SO_{4 (aq)}

K⁺_(aq) + SO₄^2-_(aq) → KSO_{4 (aq)}

3 Cu²⁺_(aq) + 2 PO₄^3-_(aq) → Cu₃(PO₄)_{2 (s)}

Cu²⁺_(aq) + PO₄^3-_(aq) → CuPO_{4 (s)}

H⁺²_(aq) + O^2-_(aq) → H₂O_(l)

2 H_{2 (aq)} + O_2(aq) → 2 H₂O_(l)

2 H_{2 (g)} + O_2(g) → 2 H₂O_(l)

H⁺_(aq) + OH^-_(aq) → H₂O_(l)

→ MgCl₂ + H₂O_(l)

→ Mg²⁺ + Cl^-1 + H₂O_(l)

→ Mg²⁺ + Cl^-1 + H⁺¹ + O^2-

→ MgCl₂ + H₂O_(l) + CO_2(g)