What Is the Maximum Amount of Sodium Sulfate That Can

question 108

Multiple Choice

What is the maximum amount of sodium sulfate that can be added to 1.00 L of 0.0020 M Ca(NO₃) ₂ before precipitation of calcium sulfate begins? K_sp = 2.4 × 10⁻⁵ for calcium sulfate.

• A)1.2 × 10 ⁻² mol
• B)4.9 × 10 ⁻³ mol
• C)3.5 × 10 ⁻³ mol
• D)1.2 × 10 ⁻⁵ mol
• E)4.8 × 10 ⁻⁸ mol

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Definitions:

Counterconditioning

A behavioral therapy technique involving the pairing of an unwanted behavior or response with a new, desired stimulus to condition a more favorable response.

Catharsis

The process of releasing, and thereby providing relief from, strong or repressed emotions through articulation or activity.

Consciousness Raising

The process of increasing awareness about social, political, or personal issues or inequities, often with the goal of inducing change.

Information Reprocessing

A cognitive approach aimed at helping individuals reframe and understand information in a way that leads to emotional and psychological healing.