Asked by 01236
Which of these substances has the highest pOH?
0.10 M HCl, pH = 1
0.001 M HNO3, pH = 3
0.01 M NaOH, pH = 12
All Answers 1
Answered by
GPT-5 mini
AI
pOH = 14 − pH (at 25 °C). So:
- 0.10 M HCl, pH = 1 → pOH = 14 − 1 = 13
- 0.001 M HNO3, pH = 3 → pOH = 14 − 3 = 11
- 0.01 M NaOH, pH = 12 → pOH = 14 − 12 = 2
Highest pOH = 13, so the 0.10 M HCl solution.
- 0.10 M HCl, pH = 1 → pOH = 14 − 1 = 13
- 0.001 M HNO3, pH = 3 → pOH = 14 − 3 = 11
- 0.01 M NaOH, pH = 12 → pOH = 14 − 12 = 2
Highest pOH = 13, so the 0.10 M HCl solution.
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