A Solution of NaF Is Added Dropwise to a Solution

question 35

Multiple Choice

A solution of NaF is added dropwise to a solution that is 0.0122 M in Ba²⁺. When the concentration of F^- exceeds ________ M, BaF₂ will precipitate. Neglect volume changes. For BaF, Ksp = 1.7 × 10^-6.

• A)7.0 × 10^-5
• B)1.2 × 10^-2
• C)2.1 × 10^-8
• D)3.0 × 10^-3
• E)1.4 × 10^-4

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Definitions:

Pleasure Over Pain

The principle that individuals naturally seek to experience pleasure and avoid pain, guiding much of human motivation and behavior.

Approach Motivation

The inclination or drive to move towards or pursue a desired object, goal, or outcome.

Avoidance Motivation

The drive to avoid negative outcomes, hazards, or unpleasant experiences, often motivating behavior away from perceived threats.

Rank's Conception

A theoretical framework or idea proposed by an individual named Rank, likely pertaining to a specific field or theory, but more context is needed to provide a detailed definition.