Chemistry, 14.07.2020 21:01 heartprague
A 0.187 M weak acid solution has a pH of 3.99. Find Ka for the acid. Express your answer using two significant figures.
Answers: 3
![Ka = \frac{[H^{+}]^{2} }{Ca} = \frac{(1.02 \times 10^{-4})^{2} }{0.187} = 5.56 \times 10^{-8}](/tpl/images/0705/8335/009ce.png)
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A 0.187 M weak acid solution has a pH of 3.99. Find Ka for the acid. Express your answer using two s...
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