(a) Define the terms osmosis and osmotic pressure. Is the osmotic pressure of a solution a colligative property? Explain.
(b) Calculate the boiling point of a solution prepared by adding `15.00g` of `NaCl` to `250.0g` of water. (`K_(b)` for water `=0.512K kg "mol"^(-1)`, Molar mass of `NaCl=58.44g`)

Explanation

### Step-by-Step Solution

**(a) Definitions:**

1. **Osmosis:**
- Osmosis is defined as the movement of solvent molecules from a region of lower solute concentration to a region of higher solute concentration through a semi-permeable membrane. This process continues until there is an equal concentration of solute on both sides of the membrane.

2. **Osmotic Pressure:**
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