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Density of solution prepared by dissolving 120gms of urea in 1000gms of water is 1.15 gml molarity of solution is?? ?
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Calculation of Molarity of Urea Solution

Density of Solution:
- Density = Mass / Volume
- Density of solution = (Mass of urea + Mass of water) / Volume of solution
- Given: Mass of urea = 120g, Mass of water = 1000g, Density of solution = 1.15 g/ml

Volume of Solution:
- Volume of solution = Mass / Density
- Volume of solution = (120g + 1000g) / 1.15 g/ml
- Volume of solution = 1120 / 1.15 ml
- Volume of solution ≈ 973.91 ml

Moles of Urea:
- Moles = Mass / Molar mass
- Molar mass of urea = 60g/mol
- Moles of urea = 120g / 60g/mol
- Moles of urea = 2 mol

Molarity of Solution:
- Molarity = Moles of solute / Volume of solution (in liters)
- Volume of solution in liters = 973.91 ml / 1000 = 0.97391 L
- Molarity = 2 mol / 0.97391 L
- Molarity ≈ 2.05 M
Therefore, the molarity of the urea solution prepared by dissolving 120g of urea in 1000g of water is approximately 2.05 M.
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Density of solution prepared by dissolving 120gms of urea in 1000gms of water is 1.15 gml molarity of solution is?? ?
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