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4. The solubility of KBr in water is T (C) 0 20 40 60 80 100 g KBr g H20 0.54 0.64 0.76 0.86 0.95 1.04 In a one molal solution, KBr depresses the freezing point of water by 3.29°C. Estimate the eutectic temperature for the KBr/H2O system graphically. (Answer: T~-13°C)
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