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If 5 moles of KCl are dissolved in 1 kg of water, what is the molality of the so
If 5 moles of KCl are dissolved in 1 kg of water, what is the molality of the solution?
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If 5 moles of KCl are dissolved in 1 kg of water, what is the molality of the solution?
5 m
2.5 m
10 m
1 m
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Molality (m) = moles of solute / kg of solvent = 5 moles / 1 kg = 5 m.
Questions & Step-by-step Solutions
1 item
Q
Q: If 5 moles of KCl are dissolved in 1 kg of water, what is the molality of the solution?
Solution:
Molality (m) = moles of solute / kg of solvent = 5 moles / 1 kg = 5 m.
Steps: 5
Show Steps
Step 1: Identify the number of moles of the solute (KCl). In this case, it is 5 moles.
Step 2: Identify the mass of the solvent (water) in kilograms. Here, it is 1 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 / 1 kg.
Step 5: Calculate the result: 5 moles / 1 kg = 5 m.
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