![The pH of black coffee is 5.3. Determine the hydroxide concentration, [OH-], in this solution. a. 2.0 x 10-9 b.2.0 x 105 c. 5](http://img.homeworklib.com/questions/7b355e00-aaec-11eb-a6e7-5beaf975e833.png?x-oss-process=image/resize,w_560)
Homework Answers
1st option is correct
P
pH+pOH=14
pOH=14- 5.3 =8.7
pOH= -log[OH-]
From that equation we can write [OH-] =10-pOH
=10-8.7 =1.995×10-9
=2.0×10-9
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