Consider the following data on some weak acids and weak bases: Ka formula hypochlorous acid HCIO 3.0x108 HNO₂ 4.5 x 104 name nitrous acid acid solution 0.1 M CH3NH3Cl 0.1 M KNO3 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 to the solution that will have the next lowest pH, and so on. 0.1 M KCIO 0.1 M NaNO₂ pH choose one choose one choose one base choose one K₂ formula methylamine CH3NH₂ 4.4 x 104 ammonia NH3 1.8 x 10-5 name

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Chapter1: Chemical Foundations
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**Consider the following data on some weak acids and weak bases:**

| Acid                     | Formula | \( K_a \)       |
|--------------------------|---------|-----------------|
| Hypochlorous acid        | HClO    | \( 3.0 \times 10^{-8} \) |
| Nitrous acid             | HNO\(_2\) | \( 4.5 \times 10^{-4} \) |

| Base       | Formula   | \( K_b \)         |
|------------|-----------|-----------------|
| Methylamine | CH\(_3\)NH\(_2\) | \( 4.4 \times 10^{-4} \) |
| Ammonia    | NH\(_3\)  | \( 1.8 \times 10^{-5} \) |

**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 to the solution that will have the next lowest pH, and so on.**

| Solution      | pH         |
|---------------|------------|
| 0.1 M CH\(_3\)NH\(_3\)Cl | (choose one) |
| 0.1 M KNO\(_3\)         | (choose one) |
| 0.1 M KClO            | (choose one) |
| 0.1 M NaNO\(_2\)      | (choose one) |
Transcribed Image Text:**Consider the following data on some weak acids and weak bases:** | Acid | Formula | \( K_a \) | |--------------------------|---------|-----------------| | Hypochlorous acid | HClO | \( 3.0 \times 10^{-8} \) | | Nitrous acid | HNO\(_2\) | \( 4.5 \times 10^{-4} \) | | Base | Formula | \( K_b \) | |------------|-----------|-----------------| | Methylamine | CH\(_3\)NH\(_2\) | \( 4.4 \times 10^{-4} \) | | Ammonia | NH\(_3\) | \( 1.8 \times 10^{-5} \) | **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 to the solution that will have the next lowest pH, and so on.** | Solution | pH | |---------------|------------| | 0.1 M CH\(_3\)NH\(_3\)Cl | (choose one) | | 0.1 M KNO\(_3\) | (choose one) | | 0.1 M KClO | (choose one) | | 0.1 M NaNO\(_2\) | (choose one) |
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