Chemistry, 19.10.2019 01:30 emmv565628
Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. it is also a component of cigarette smoke. pyridine ionizes in water as follows: c5h5n + h2o ⇌ c5h5nh+ + oh− the pkb of pyridine is 8.75. what is the ph of a 0.435 m solution of pyridine? (assume that the temperature is 25 ∘c.)
Answers: 2
![k_b =\frac{ [C_5H_5NH^+][OH^-]}{[C_5H_5N]}\\1.78\times 10^{-9}=\frac{x^2}{0.453 - x}](/tpl/images/0333/0919/eec54.png)
![pOH = -log[2.78\times 10^{-5}]\\=4.55](/tpl/images/0333/0919/34ab0.png)
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Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. it is also...
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