You Have an Aqueous Solution Containing Lead(II), Sodium, Iron(III), and Potassium

question 74

Multiple Choice

You have an aqueous solution containing lead(II) , sodium, iron(III) , and potassium ions.You need to devise a way to separate the ions from one another.Which statement below regarding your method is FALSE?

• A)Lead(II) ions can be precipitated as PbCl₂ by adding a source of chloride ions.
• B)Iron(III) ions can be precipitated as Fe(OH)₃ by adding a source of hydroxide ions.
• C)Adding HNO₃ (aq) or NH₃(aq) can be used to adjust the acidity or basicity of the solution.
• D)Sodium and potassium cannot be separated by precipitation.
• E)Adding a source of sulfate ions can separate potassium by precipitation.

Understand the path-goal theory of leadership.

Identify and describe different leadership styles (e.g., directive, participative, supportive, achievement-oriented) within the context of path-goal theory.

Recognize the importance of situation in determining the leadership style.

Explain the significance of leader behavior and situational factors in leadership effectiveness.

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Definitions:

Zooplankton

Microscopic organisms drifting in oceans, seas, and bodies of fresh water, which serve as a crucial food source for many marine species.

Invasive Species

Non-native organisms that significantly alter or damage the habitats they invade, often outcompeting local species and leading to biodiversity loss.

Habitat Fragmentation

The process by which habitat loss results in the division of large, continuous habitats into smaller, more isolated remnants.

Local Extinction

The condition in which a species disappears from a particular area but continues to exist elsewhere in the wild or in captivity.