An evaporator is fed with 17400 kg/h of a solution containing 12.1% NaCl, 19.9% NaOH, and the rest is water. In the operation, water is evaporated and NaCl is precipitated as crystals. The thick liquor leaving the evaporator contains 45% NaOH, 2% NaCl, and rest water. Calculate: (a) the amount of water evaporated. (b) the amount of salt precipitated. (c) the amount of thick liquor leaving the evaporator.

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