Chemistry · Ionic Equilibrium
Which of the following mixtures gives a buffer solution with pH = 9.25? Given: pKb(NH4OH) = 4.75
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.4 M NH4OH (1 L) + 0.1 M HCl (1 L)
- 20.5 M NH4OH (0.2 L) + 0.2 M HCl (0.5 L)
- 30.2 M NH4OH (0.5 L) + 0.1 M HCl (0.5 L)✓
- 40.2 M NH4OH (0.4 L) + 0.1 M HCl (1 L)
Correct answer
0.2 M NH4OH (0.5 L) + 0.1 M HCl (0.5 L)
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