Which Solution Has the Lowest Boiling Point

question 71

Multiple Choice

Which solution has the lowest boiling point?

• A)A solution formed by dissolving 0.75 mol of KCl in 1.00 kg of water.
• B)A solution formed by dissolving 0.75 mol of glucose (C₆H₁₂O₆)in 1.00 kg of water.
• C)A solution formed by dissolving 0.75 mol of Ca(NO₃)₂ in 1.00 kg of water.
• D)A solution formed by dissolving 0.75 mol of Na₃PO₄ in 1.00 kg of water.
• E)All of the solutions described above have the same boiling point.

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Definitions:

Extinct

A species, family, or larger group having no living members; no longer in existence.

Spontaneous Recovery

The reappearance of a conditioned response after a period of apparent extinction, without further conditioning.

Variable-Ratio Reinforcement Schedule

A reinforcement schedule in which the number of responses required for a reward varies, leading to high and consistent rates of response.

Fixed-Interval Reinforcement

A reinforcement schedule in which rewards are delivered at consistent, predetermined intervals of time, promoting a pattern of behavior.