Determine the pOH of each solution?
1) [OH−] = 2.5×10−9 M
Classify this solution as acidic, basic, or neutral.
2) [OH−] = 5.0×10−5 M
Classify this solution as acidic, basic, or neutral.
3) [OH−] = 1.0×10−7 M
Classify this solution as acidic, basic, or neutral.
mastering chemistry?
2017-11-21 9:58 pm
回答 (1)
2017-11-21 10:02 pm
✔ 最佳答案
1)pOH = -log[OH⁻] = -log(2.5 × 10⁻⁹) = 8.6
As pOH > 7.0, the solution is acidic.
2)
pOH = -log[OH⁻] = -log(5.0 × 10⁻⁵) = 4.3
As pOH < 7.0, the solution is basic.
3.
pOH = -log[OH⁻] = -log(1.0 × 10⁻⁷) = 7.0
As pOH = 7.0, the solution is neutral.
收錄日期: 2021-04-18 17:56:38
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