When a Small Amount of HCl or NaOH Is Added

question 92

Multiple Choice

When a small amount of HCl or NaOH is added to a solution of Na₂HPO₄, the pH of the solution barely changes. Based on these observations, all of the following are true concerning the compound Na₂HPO₄, except

• A) Na₂HPO₄ is able to accept extra hydrogen ions from the HCl.
• B) Na₂HPO₄ adsorbs excess H⁺ and OH^- directly onto the surface of its crystalline structure.
• C) Na₂HPO₄ is able to donate hydrogen ions to the OH^- from NaOH.
• D) Na₂HPO₄ acts as a buffer.
• E) Na₂HPO₄ is a salt formed from reacting a strong base with a weak acid.

Determine selling prices based on unit costs and markup percentages.

Apply overhead to jobs using predetermined overhead rates based on various cost drivers.

Differentiate between plantwide and departmental overhead rates and their impact on costing.

Analyze the role of fixed and variable overhead costs in the job costing.

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