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What is the concentration in molality of a solution made by dissolving 5 moles o

Practice Questions

Q1
What is the concentration in molality of a solution made by dissolving 5 moles of solute in 3 kg of solvent?
  1. 1.67 m
  2. 2 m
  3. 1.5 m
  4. 2.5 m

Questions & Step-by-Step Solutions

What is the concentration in molality of a solution made by dissolving 5 moles of solute in 3 kg of solvent?
  • Step 1: Identify the number of moles of solute. In this case, it is 5 moles.
  • Step 2: Identify the mass of the solvent in kilograms. Here, it is 3 kg.
  • Step 3: Use the formula for molality, which is molality (m) = moles of solute / kg of solvent.
  • Step 4: Plug in the values into the formula: m = 5 moles / 3 kg.
  • Step 5: Calculate the result: 5 divided by 3 equals approximately 1.67.
  • Step 6: State the final answer: The molality of the solution is 1.67 m.
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