What is the [H3O+] for a solution at 25°C that has pOH = 5.640?
A) 2.34 × 10 −4 M
B) 2.29 × 10 −6 M
C) 4.37 × 10 −9 M
D) 4.27 × 10 −11 M
E) 8.360 M
Correct Answer:
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