What is the H+ concentration in mol dm-3 in a solution of pH 4.3 ?

[匿名]

2018-02-27 9:48 pm

" 4.3
" 0.63
" 1.46
" 0.014
" 5 x 10-5

回答 (1)

胡雪8°

2018-02-27 9:56 pm

✔ 最佳答案

pH = 4.3
-log[H⁺] = 4.3
[H⁺] = 10⁻⁴˙³ mol dm⁻³ = 5.0 × 10⁻⁵ mol dm⁻³

The answer: 5.0 × 10⁻⁵

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