Consider the following data on some weak acids and weak bases: 0.1 M Nal name acetic acid. solution 0.1 M NH4Cl 0.1 M NaClO acid 0.1 M HONH3Br Ka formula HCH3CO₂ 1.8 x 10 hypochlorous acid 4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next the solution that will have the next lowest pH, and so on. X HCIO 3.0 x 108 PH choose one ✓ choose one choose one choose one ✓ base 5 ? name formula NH3 1.8 x 10 hydroxylamine HONH₂ 1.1 × 108 K₂ ammonia

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**Analyzing Weak Acids and Bases**

Consider the following data on some weak acids and weak bases:

### Weak Acids
| Name              | Formula     | \(K_a\)           |
|-------------------|-------------|-------------------|
| Acetic acid       | \( \text{HCH}_3\text{CO}_2 \) | \(1.8 \times 10^{-5} \) |
| Hypochlorous acid | \( \text{HClO} \)            | \(3.0 \times 10^{-8} \) |

### Weak Bases
| Name            | Formula       | \(K_b\)              |
|-----------------|---------------|---------------------|
| Ammonia         | \( \text{NH}_3 \)    | \(1.8 \times 10^{-5} \)  |
| Hydroxylamine   | \( \text{HONH}_2 \)  | \(1.1 \times 10^{-8} \)  |

### Ranking Solutions by pH

Using this data, rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on.

| Solution      | pH                   |
|---------------|----------------------|
| 0.1 M NaI     | [Choose one ▼]       |
| 0.1 M \( \text{NH}_4\text{Cl} \)   | [Choose one ▼]       |
| 0.1 M \( \text{HONH}_3\text{Br} \) | [Choose one ▼]       |
| 0.1 M \( \text{NaClO} \)           | [Choose one ▼]       |

By reviewing the \(K_a\) and \(K_b\) values of the acids and bases, you can determine the relative strengths of these acids and bases and therefore rank the pH of each solution accurately.
Transcribed Image Text:**Analyzing Weak Acids and Bases** Consider the following data on some weak acids and weak bases: ### Weak Acids | Name | Formula | \(K_a\) | |-------------------|-------------|-------------------| | Acetic acid | \( \text{HCH}_3\text{CO}_2 \) | \(1.8 \times 10^{-5} \) | | Hypochlorous acid | \( \text{HClO} \) | \(3.0 \times 10^{-8} \) | ### Weak Bases | Name | Formula | \(K_b\) | |-----------------|---------------|---------------------| | Ammonia | \( \text{NH}_3 \) | \(1.8 \times 10^{-5} \) | | Hydroxylamine | \( \text{HONH}_2 \) | \(1.1 \times 10^{-8} \) | ### Ranking Solutions by pH Using this data, rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. | Solution | pH | |---------------|----------------------| | 0.1 M NaI | [Choose one ▼] | | 0.1 M \( \text{NH}_4\text{Cl} \) | [Choose one ▼] | | 0.1 M \( \text{HONH}_3\text{Br} \) | [Choose one ▼] | | 0.1 M \( \text{NaClO} \) | [Choose one ▼] | By reviewing the \(K_a\) and \(K_b\) values of the acids and bases, you can determine the relative strengths of these acids and bases and therefore rank the pH of each solution accurately.
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