Respuesta :

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Answer:

1. Balanced molecular equation:

  • HF(aq) + RbOH(aq) → RbF(aq) + H₂O(l)

2. Net ionic equation:

  • H⁺ (aq) + OH⁻ (aq) →  H₂O(l)

Explanation:

1. Write the word equation

This is the reaction of an acid and a base producing salt plus water.

  • hydrofluoric acid + rubidium hydroxide → rubidium fluoride + water

2. Balanced molecular equation

  • HF(aq) + RbOH(aq) → RbF(aq) + H₂O(l) ← answer

3. Write the ionic compounds in aqueous solution as ions

Overall ionic equation:

  • H⁺ (aq) + F⁻ (aq) + Rb⁺ (aq) + OH⁻ (aq) → Rb⁺ (aq) + F⁻ (aq) + H₂O(l)

4. Cancel the spectator ions

The spectator ions are those that appear in both sides of the overall ionic equation. In this case they are F⁻ (aq) and  Rb⁺ (aq).

Net ionic equation:

  • H⁺ (aq) + OH⁻ (aq) →  H₂O(l) ← answer
adioabiola

The balanced molecular equation and net ionic equation for the reaction between hydrofluoric acid and rubidium hydroxide are as follows;

Balanced molecular equation:

  • HF(aq) + RbOH(aq) → RbF(aq) + H₂O(l)

Net ionic equation:

  • H⁺ (aq) + OH⁻ (aq) → H₂O(l)

This is the reaction between an acid and a base (Neutralisation reaction)

The molecular equation is therefore;

  • HF(aq) + RbOH(aq) → RbF(aq) + H₂O(l)

The Overall ionic equation is given as;

  • H⁺ (aq) + F⁻ (aq) + Rb⁺ (aq) + OH⁻ (aq) → Rb⁺ (aq) + F⁻ (aq) + H₂O(l)

Theres a need to cancel the spectator ions as follows to yield;

Net ionic equation:

  • H⁺ (aq) + OH⁻ (aq) → H₂O(l)

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