Chemistry worksheet for pH and pOH calculations with a table to fill in missing values.

Final Answer:
The completed table is:

| pH | [H₃O⁺] | pOH | [OH⁻] | ACID or BASE? |
|------|------------------|------|------------------|---------------|
| 3.78 | 1.66 × 10⁻⁴ M | 10.22| 6.03 × 10⁻¹¹ M | ACID |
| 3.41 | 3.89 × 10⁻⁴ M | 10.59| 2.57 × 10⁻¹¹ M | ACID |
| 8.81 | 1.55 × 10⁻⁹ M | 5.19 | 6.46 × 10⁻⁹ M | BASE |
| 8.68 | 2.10 × 10⁻⁹ M | 5.32 | 4.88 × 10⁻⁶ M | BASE |
| 8.46 | 3.47 × 10⁻⁹ M | 5.54 | 2.88 × 10⁻⁶ M | BASE |
| 12.07| 8.45 × 10⁻¹³ M | 1.93 | 1.17 × 10⁻² M | BASE |
| 11.86| 1.38 × 10⁻¹² M | 2.14 | 7.24 × 10⁻³ M | BASE |
| 11.37| 4.27 × 10⁻¹² M | 2.63 | 2.31 × 10⁻¹¹ M | BASE |
| 10.91| 1.23 × 10⁻¹¹ M | 3.09 | 8.13 × 10⁻¹² M | BASE |
| 5.13 | 7.49 × 10⁻⁶ M | 8.87 | 1.35 × 10⁻⁶ M | ACID |
| 4.06 | 8.71 × 10⁻⁵ M | 9.94 | 1.15 × 10⁻¹⁰ M | ACID |
| 7.59 | 2.57 × 10⁻⁸ M | 6.41 | 2.57 × 10⁻⁸ M | BASE |
| 4.16 | 6.92 × 10⁻⁵ M | 9.84 | 1.44 × 10⁻¹⁰ M | ACID |
| 1.00 | 1.06 × 10⁻¹ M | 13.00| 1.00 × 10⁻¹³ M | ACID |
| 10.18| 6.61 × 10⁻¹¹ M | 3.82 | 1.51 × 10⁻⁴ M | BASE |
| 7.07 | 8.53 × 10⁻⁸ M | 6.93 | 8.53 × 10⁻⁷ M | BASE |
| 7.05 | 8.91 × 10⁻⁸ M | 6.95 | 1.12 × 10⁻⁷ M | BASE |
| 9.33 | 4.73 × 10⁻¹⁰ M | 4.67 | 2.11 × 10⁻⁵ M | BASE |
| 12.67| 2.14 × 10⁻¹³ M | 1.33 | 4.68 × 10⁻² M | BASE |
| 2.01 | 9.77 × 10⁻³ M | 11.99| 9.87 × 10⁻³ M | ACID |
| 2.32 | 4.79 × 10⁻³ M | 11.68| 2.09 × 10⁻³ M | ACID |
| 7.96 | 1.10 × 10⁻⁸ M | 6.04 | 9.22 × 10⁻⁹ M | BASE |
| 1.76 | 1.74 × 10⁻² M | 12.24| 5.75 × 10⁻¹³ M | ACID |
| 11.26| 5.50 × 10⁻¹² M | 2.74 | 5.39 × 10⁻¹² M | BASE |

*(Note: All values rounded to 3 significant figures where appropriate; pH/pOH to 2 decimal places.)*