Compared to `O_(2)` diffusion rate of `CO_(2)` through the diffusion membrane per unit difference in partial pressure is much higher. Explain.

Explanation

To explain why the diffusion rate of carbon dioxide (CO₂) through a diffusion membrane is much higher than that of oxygen (O₂) per unit difference in partial pressure, we can break down the explanation into several key points:

### Step-by-Step Solution:

1. **Understanding Diffusion**:
- Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. The rate of diffusion is influenced by several factors, including the partial pressure of the gases involved.

2. **Partial Pressure**:
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