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What is the concentration in molality of a solution made by dissolving 5 moles o
What is the concentration in molality of a solution made by dissolving 5 moles of solute in 3 kg of solvent?
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Practice Questions
1 question
Q1
What is the concentration in molality of a solution made by dissolving 5 moles of solute in 3 kg of solvent?
1.67 m
2 m
1.5 m
2.5 m
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Molality (m) = moles of solute / kg of solvent = 5 moles / 3 kg = 1.67 m.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the concentration in molality of a solution made by dissolving 5 moles of solute in 3 kg of solvent?
Solution:
Molality (m) = moles of solute / kg of solvent = 5 moles / 3 kg = 1.67 m.
Steps: 6
Show Steps
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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