In plot of mass of the gas adsorbed per gram of the adsorbent versus temperature at constant pressure is called ………..

Explanation

To solve the question, we need to understand the terms used in the context of adsorption and how they relate to the given scenario.

### Step-by-Step Solution:

1. **Understanding the Terms**:
- The question asks about a specific type of plot related to adsorption, which is the process where gas molecules adhere to the surface of a solid (adsorbent).

2. **Identifying the Variables**:
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