Q.The cryoscopic constant of a solvent is $4.0 \text{ K kg mol}^{-1}$ . The freezing point depression for a $0.05 \text{ mol kg}^{-1}$ solution of a non-electrolyte in this solvent is:

0.2 \text{ K}

0.8 \text{ K}

0.4 \text{ K}

0.1 \text{ K}

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Q.The cryoscopic constant of a solvent is 4.0 K kg mol−14.0 \text{ K kg mol}^{-1}4.0 K kg mol−1. The freezing point depression for a 0.05 mol kg−10.05 \text{ mol kg}^{-1}0.05 mol kg−1 solution of a non-electrolyte in this solvent is: