Chemistry · Acids, Bases and pH Scale
What is the correct order of decreasing pH for 0.1 M aqueous solutions of HCl, KCl, NaCl, and CH3COOH?
- 1CH3COOH > KCl > NaCl > HCl
- 2NaCl > KCl > CH3COOH > HCl
- 3KCl > CH3COOH > NaCl > HCl
- 4KCl = NaCl > CH3COOH > HCl✓
Correct answer
KCl = NaCl > CH3COOH > HCl
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