Your answer is D, OH-! correct me if I’m wrong.
Answer:
pH = 7.46
Explanation:
2H₂O ⇄ H₃O⁺ . OH⁻ Kw = [H₃O⁺] . [OH⁻]
[H₃O⁺] = [OH⁻]
√0.12×10⁻¹⁴ = [H₃O⁺] → 3.46×10⁻⁸ M
- log [H₃O⁺] = pH
- log 3.46×10⁻⁸ = pH → 7.46
Answer: There are two questions I could think of that weren't already on this list.
1) When did the genetic diversity of koalas decrease?
2) What kind of DNA does a koala have?