Problem: A solution of NaOH has a pH of 12.7. What is the [OH  -]? a) 0.005 b) 0.002 c) 0.02 d) 0.03 e) 0.05

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A solution of NaOH has a pH of 12.7. What is the [OH  -]?

a) 0.005

b) 0.002

c) 0.02

d) 0.03

e) 0.05

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