What Is the PH of a 0

question 139

Multiple Choice

What is the pH of a 0.30 M pyridine solution that has K_b = 1.9 × 10^-9? The equation for the dissociation of pyridine is
C₅H₅N(aq) + H₂O(l) ⇌ C₅H₅NH⁺(aq) + OH^-(aq) .

• A)4)62
• B)8)72
• C)9)38
• D)10.38

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Definitions:

Kruskal-Wallis Test

A nonparametric statistical test used to compare three or more independent samples, determining if there is a statistically significant difference between them.

Significance Level

The likelihood of incorrectly dismissing the null hypothesis in a statistical analysis when it is in fact correct.

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The duration required to go from one location to another by any mode of transportation.

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Paths or directions taken to get from one location to another, often used in navigation or in the planning of trips.