NAME Cabriela Saavedra SECTION 8UMnY DATE INSTRUCTOR REPORT FOR EXPERIMENT 9 Dea

Question

NAME Cabriela Saavedra SECTION 8UMnY DATE INSTRUCTOR REPORT FOR EXPERIMENT 9 Dean Properties of Solutions use lower value A.) Concentration of Saturated Solution o 812 44.345 1. Mass of empty evaporating dish 2. Mass of dish + saturated potassium chloride solution 3. Mass of dish + dry potassium chloride, Ist heating 4. Mass of dish + dry potassium chloride, 2nd heating 5. Mass of saturated potassium chloride solution 51. a to : 03 Show Caleulation Setup Lv419- 6. Mass of potassium chloride in the saturated solution Show Caleulation Setup 4.03-44. 3459 5.08? 7. Mass of water in the saturated potassium chloride solution Show Calculation Setup s1.la1- 4.03to5 35% 8. Mass percent of potassium chloride in the saturated solution Show Caleulation Setup 9. Grams of potassium chloride per 100 g of water (experimental) in the original solution. Show Calculation Setup 10. Grams of potassium chloride per 100 g of water (theoretical) (From Table 8.1) at 20°C -89-

Explanation / Answer

8) mass percentage of KCl = 1.691/6.776*100 = 25%

9) from 6,7

   1.691 g Kcl present in 5.085 g water

so that,

mass of Kcl per 100 g water = 100*1.691/5.085 = 33.25 g

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