Identify All the Spectator Ions in the Following Reaction

question 26

Multiple Choice

Identify all the spectator ions in the following reaction. 2KMnO₄(aq) + 10FeSO₄(aq) + 8H₂SO₄(aq) → K₂SO₄(aq) + 2MnSO₄(aq) + 5Fe₂(SO₄) ₃(aq) + 8H₂O(l)

• A)only K ⁺
• B)only SO ₄ ²⁻
• C)only K ⁺ and SO ₄ ²⁻
• D)only K ⁺, SO ₄ ²⁻, and Fe ²⁺
• E)only K ⁺, SO ₄ ²⁻, Fe ²⁺, and Mn ²⁺

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Definitions:

Contribution Margin

The difference between sales revenue and variable costs; used to cover fixed costs and generate profit.

Break-Even Point

The sales level at which the company does not make a profit or incur a loss, denoting a balance between revenue and costs.

Variable Manufacturing Costs

These costs vary directly with the level of production output and include expenses such as raw materials, direct labor, and certain overheads.

Fixed Manufacturing

Costs that do not vary with the level of production or sales, associated with the operation of a production facility.