What Is the Best Way to Ensure Complete Precipitation of SnS

question 67

Multiple Choice

What is the best way to ensure complete precipitation of SnS from a saturated H₂S solution?

• A)Add more H₂S.
• B)Add a strong acid.
• C)Add a weak acid.
• D)Add a strong base.
• E)Add a weak base.

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Definitions:

Operant Conditioning

The practice of influencing a behavior's intensity by granting rewards or imposing punishments.

Token Economies

A behavior modification method that uses tokens as a form of reinforcement for desirable behavior, which can later be exchanged for rewards.

Insight Learning

A cognitive process whereby an individual suddenly comes to understand a problem or conceptualize a solution without the need for trial-and-error behavior.

Aha! Experience

A moment of sudden realization, inspiration, insight, or comprehension, often leading to a problem being solved or understood in a new way.