A Lab Technician Adds 0

question 32

Multiple Choice

A lab technician adds 0.015 mol of KOH to 1.00 L of 0.0010 M Ca(NO₃) ₂. K_sp = 6.5 × 10^-6 for Ca(OH) ₂) . Which of the following statements is correct?

• A) Calcium hydroxide precipitates until the solution is saturated.
• B) The solution is unsaturated and no precipitate forms.
• C) The concentration of calcium ions is reduced by the addition of the hydroxide ions.
• D) One must know K_sp for calcium nitrate to make meaningful predictions on this system.
• E) The presence of KOH will raise the solubility of Ca(NO₃)₂.

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Definitions:

Significant Risks

Major threats or uncertainties that could potentially impact an entity's operations, financial performance, or reputation significantly.

Economic Benefits

Refers to the advantages or gains, often measured in terms of revenues or savings, that an entity expects to receive as a result of certain actions or investments.

Transaction Costs

Incremental direct costs that are directly attributable to the acquisition, issue, or disposal of a financial asset or financial liability.

Revenue Recognition

An accounting principle that outlines the specific conditions under which revenue is recognized within the financial statements.