van't Hoff factor is the ratio of ……………..molecular mass to ……………molecular mass.

Explanation

To answer the question regarding the van't Hoff factor, we can break down the solution into clear steps:

### Step-by-Step Solution:

1. **Understanding the van't Hoff Factor (i)**:
The van't Hoff factor (i) is a measure of the number of particles a solute breaks into when it dissolves in a solvent. It helps in understanding colligative properties of solutions.

2. **Defining the Terms**:
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