Calculate the vapour pressure of an aqueous solution which contains `5 mass per per cent` of `urea`. The vapour pressure of pure water is `23.5 mm Hg`. The molar mass of `urea` is `60`.

Explanation

To calculate the vapor pressure of an aqueous solution containing 5 mass percent of urea, we can follow these steps:

### Step 1: Understand the Given Information
- Vapor pressure of pure water (P₀) = 23.5 mm Hg
- Mass percent of urea = 5%
- Molar mass of urea = 60 g/mol

### Step 2: Calculate the Mass of Urea and Water
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