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In one molal solution that contains 0.5 mole of a solute, there is
  • a)
    500 g of solvent
  • b)
    100 mL of solvent
  • c)
    1000 g of solvent
  • d)
    500 mL of solvent
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
In one molal solution that contains 0.5 mole of a solute, there isa)50...
Explanation:

Definition of Molality:
Molality (m) is defined as the number of moles of solute per kilogram of solvent.

Given Data:
- Moles of solute = 0.5 mol
- Molality (m) = 1 mol/kg

Calculation:
Since molality is given as 1 mol/kg, this means that in a 1 molal solution, there is 1 mole of solute dissolved in 1 kg of solvent.

Therefore, in a 1 molal solution that contains 0.5 moles of solute, the amount of solvent can be calculated as follows:

- Moles of solute = 0.5 mol
- Molality (m) = 1 mol/kg

Using the formula for molality:
m = (moles of solute) / (mass of solvent in kg)

Rearranging the formula to find the mass of solvent:
mass of solvent = (moles of solute) / molality
mass of solvent = 0.5 mol / 1 mol/kg
mass of solvent = 0.5 kg

Conclusion:
Therefore, in a 1 molal solution that contains 0.5 moles of solute, there is 0.5 kg (or 500 g) of solvent present. Hence, option 'A' is the correct answer.
Free Test
Community Answer
In one molal solution that contains 0.5 mole of a solute, there isa)50...

Weight of solvent (g) = 500 g
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In one molal solution that contains 0.5 mole of a solute, there isa)500 g of solventb)100 mL of solventc)1000 g of solventd)500 mL of solventCorrect answer is option 'A'. Can you explain this answer?
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