Question

Calculate the amount of NaCl which must be added to 1kg of water. The freezing point of water is depressed by (Kf=1.86)

Answer 1

Answer:

Explanation:

So, ΔT= K × molality.

Mass of solute (NaCl) = ? 47.2 g of NaCl which must be added to the 1kg of water so that the freezing point of water depressed by 3 K.

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