Using Figure 1 below and solve the following questions: 1.1. Which salt display discontinuities in their...

 

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Using Figure 1 below and solve the following questions: 1.1. Which salt display discontinuities in their solubility curves? Explain what contributes to the occurrence of these discontinuities? (2) 1.2. Find the solubility of each salt at 80°c. (5) 1.3. What mass of sodium chloride would be needed to make a saturated solution of sodium chloride (NaCI) in 100 grams of water at 40°C. Find its concentration at 40°C. (4) 1.4. 100 g of water is added to a beaker containing 28 g of Ba(NO3)2 and is continuously stirred to prepare a solution at 80°C. What type of solution (saturated, unsaturated, supersaturated) will be present at this temperature? (1) 1.5. Engineering student makes a saturated solution of Ce2(SO4)3.9H2O in water at 80°C and leaves the solution to cool at room temperature. What would she observe as the solution cools? Explain. (2) Na2S04 Solubility vs. Temperature for a variety of salts Naci - Ba(NO3)2 Ce2(S04)3.9H20 Na2HAs04 90 80 70 60 50 40 30 20 10 20 40 60 80 100 Temperature Figure 1: Solubility of different salts in water and different temperatures. Solubility (g per 100g water) Using Figure 1 below and solve the following questions: 1.1. Which salt display discontinuities in their solubility curves? Explain what contributes to the occurrence of these discontinuities? (2) 1.2. Find the solubility of each salt at 80°c. (5) 1.3. What mass of sodium chloride would be needed to make a saturated solution of sodium chloride (NaCI) in 100 grams of water at 40°C. Find its concentration at 40°C. (4) 1.4. 100 g of water is added to a beaker containing 28 g of Ba(NO3)2 and is continuously stirred to prepare a solution at 80°C. What type of solution (saturated, unsaturated, supersaturated) will be present at this temperature? (1) 1.5. Engineering student makes a saturated solution of Ce2(SO4)3.9H2O in water at 80°C and leaves the solution to cool at room temperature. What would she observe as the solution cools? Explain. (2) Na2S04 Solubility vs. Temperature for a variety of salts Naci - Ba(NO3)2 Ce2(S04)3.9H20 Na2HAs04 90 80 70 60 50 40 30 20 10 20 40 60 80 100 Temperature Figure 1: Solubility of different salts in water and different temperatures. Solubility (g per 100g water)

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Solution Curve in which solubility increbier or decreaser irregularly uth temperatu re is c... View the full answer