The solubility of barium nitrate at 100°C is 34 g/100 g of H2O and at 0°C is 5.0 g/100 g of H2O. If you start with 100 g of Ba(NO3)2 and make a saturated solution in water at 100°C, how much water is required? If the saturated solution is cooled to 0°C, how much Ba(NO3)2 is precipitated out of solution? The precipitated crystals carry along with them on their surface 4 g of H2O per 100 g of crystals.
Hint: Treat the hydrated crystals as a separate stream leaving the process.
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