The freezing point of a diluted milk sample is found to be , while it should have been for pure milk. How much water has been added to pure milk to make the diluted sample ?
2 cups of water to 3 cups of pure milk.
3 cups of water to 2 cups of pure milk.
1 cup of water to 3 cups of pure milk.
1 cup of water to 2 cups of pure milk.
Depression in freezing point -
-
Freezing -
Freezing occurs when liquid solvent is in equilibrium with solid solvent. As non volatile solute decreases, the vapour pressure freezing point decreases.
-As we knoew that
Freezing point of milk
Freezing point of milk (diluted)
2 cups of water to 3 cups of pure milk.
Option 2)3 cups of water to 2 cups of pure milk.
Option 3)1 cup of water to 3 cups of pure milk.
Option 4)1 cup of water to 2 cups of pure milk.
Study 40% syllabus and score up to 100% marks in JEE