Use KW to calculate the concentration of [H3O+] in a solution that has an [OH−] of 3.5 × 10−11 mol/L?

2020-07-15 2:44 pm

回答 (1)

2020-07-15 2:52 pm

✔ 最佳答案

[H₃O⁺] [OH⁻] = Kw

[H₃O⁺]
= Kw / [OH⁻]
= (1.0 × 10⁻¹⁴) / (3.5 × 10⁻¹¹) mol/L
= 2.9 × 10⁻⁴ mol/L

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