Which of the following aqueous solutions is(are) considered basic ?
I. [H3O+] = 3.4×10 - 10 M
II. pH = 8.54
III. [OH - ] = 6.7×10 - 4 M
A) III only
B) I and II
C) I and III
D) II and III
E) All of these
Correct Answer:
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