Chemistry, 10.03.2020 19:46 Zykuko

Write the balanced molecular equation and net ionic equation for the reaction between hydrofluoric acid and rubidium hydroxide. Include the phases of each species.

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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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Answer from: ishmaya43

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

Answer from: Quest

explanation:

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Answer from: Quest

The molar mass of a substance is defined as the mass of 1 mol of that substance, expressed in grams per mole, and is equal to the mass of 6.022 × 10 23 atoms, molecules, or formula units of that substance.

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