A) 9.3x10^-16M
B)8.6x10^-13M
C)1.1x10^-13M
D)9.3x10^-2 M
What is that OH- of a solution with (H3O+) = 9.3x10^-2 M?
2018-05-15 1:36 pm
回答 (1)
2018-05-15 2:03 pm
✔ 最佳答案
(10^-14) / (9.3 x 10^-2) = 1.1 x 10^-13 M OH-So answer C).
2018-05-15 2:42 pm
Kw = [H₃O⁺] [OH⁻]
Hence, [OH⁻] = Kw / [H₃O⁺] = (1.0 × 10⁻¹⁴) / (9.3 × 10⁻²) M = 1.1 × 10⁻¹³ M
The answer: C) 1.1 × 10⁻¹³ M
Hence, [OH⁻] = Kw / [H₃O⁺] = (1.0 × 10⁻¹⁴) / (9.3 × 10⁻²) M = 1.1 × 10⁻¹³ M
The answer: C) 1.1 × 10⁻¹³ M
收錄日期: 2021-05-01 14:16:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20180515053639AA7q6sY