A solution containing 15 g urea ( molar mass = `60 g mol^(-1)`) per litre of solution in water has the same osmotic pressure (isotonic) as a solution of glucose (molar mass = 180 ` g mol^(-1)`) in water . Calculate the mass of glucose persent in one litre of its solution.

Explanation

To solve the problem, we need to calculate the mass of glucose present in one liter of its solution, given that it has the same osmotic pressure as a solution containing 15 g of urea per liter.

### Step-by-Step Solution:

1. **Identify the Given Information:**
- Mass of urea = 15 g
- Molar mass of urea = 60 g/mol
- Molar mass of glucose = 180 g/mol
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