anonymous
  • anonymous
The density of a solution prepared by dissolving 120 g urea (mol.M = 60) in 1000g of water is 1.15g/ml the molarity of the solution is?
Chemistry
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@Callisto @waterineyes
anonymous
  • anonymous
i got it!!
anonymous
  • anonymous
120g urea and 1000g water = total mass = 1,120g What is the volume of this solution: Density = mass of solution / volume of solution Volume of solution = mass of solution / density of solution Volume of solution: 1120/ 1.15 Volume of solution = 974mL You have 2 mol urea in 974mL solution Molarity = 2/0.974 = 2.05M

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anonymous
  • anonymous
great you need the formula of molarity. Morlarty=moles of solute) / (volume of solution in Liters)

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