Determine the pH of a 7.9 ×10−4 M solution
of HBr
CHEM HELP ASAP PLEASE EXPLAIN?
2020-06-01 9:00 pm
回答 (1)
2020-06-01 9:10 pm
HBr is a strong acid which completely ionizes to give H₃O⁺ ions.
[H₃O⁺] = [HBr] = 7.9 × 10⁻⁴ M
pH = -log[H₃O⁺] = -log(7.9 × 10⁻⁴) = 3.1
[H₃O⁺] = [HBr] = 7.9 × 10⁻⁴ M
pH = -log[H₃O⁺] = -log(7.9 × 10⁻⁴) = 3.1
收錄日期: 2021-04-18 18:32:10
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20200601130011AAgI1qg