Problem: Which of the following molar ratios is the correct equilibrium ratio of BASE: ACID for a solution made of aniline (Kb = 3.8 x 10-10) and anilinum nitrate where the pH is 4.80? 1. 1:2 2. 3:5 3. 7:2 4. 2:1 5. 5:3 6. 4:1 7. 9:1

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Which of the following molar ratios is the correct equilibrium ratio of BASE: ACID for a solution made of aniline (Kb = 3.8 x 10-10) and anilinum nitrate where the pH is 4.80?


1. 1:2
2. 3:5
3. 7:2
4. 2:1
5. 5:3
6. 4:1
7. 9:1

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