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A common practice in cooking is the addition of salt to boiling water (Kb = 0.52 °Ckg/mole). One of the reasons for this might be to raise the temperature of the boiling water. If 2.85 kg of water is boiling at 100 °C how much NaCl (MW = 58.44 g/mole) would need to be added to the water to increase the boiling point by 2 °C?

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