A Solution of NaF Is Added Dropwise to a Solution

question 104

Multiple Choice

A solution of NaF is added dropwise to a solution that is 0.0144 mol L^-1 in Ba²⁺. When the concentration of F^- exceeds ________ mol L^-1, BaF₂ will precipitate. Neglect volume changes. For BaF₂, K_sp = 1.7 × 10^-6.

• A)5.9 × 10^-5
• B)1.1 × 10^-2
• C)2.4 × 10^-8
• D)2.7 × 10^-3
• E)1.2 × 10^-4

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Definitions:

Dangerous Conditions

Dangerous conditions refer to environmental or structural situations that pose a risk of injury or harm to individuals.

"But For" Test

A legal standard used to determine causation, asking whether the harm would not have occurred but for the defendant's actions.

Forces

Agencies or influences that cause movement or change, often used in the context of natural phenomena or military strength.

Harm

Damage or injury inflicted on someone or something, often resulting in loss or detriment.