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Hint: Change in temperature, AT = KX molality X Van't Hoff factor CA 1 M CscI...
PLEASE HELP DUE IN 15 MINS A 10 g of water was found to contain 10 mg of Hg2+ What is the concentration of Hg in ppm? (ppm = (mass of solute/mass of solvent)x1067 O A 1000 08.10 OC 100 OD 10000 OE 100000 A water solution has 146.0 g of HCl and 288 g of water. What is the mole fraction of HCl in this solution? [mole fraction of component = moles of component/total moles of all components] Please...
Freezing point depression can be used to experimentally determine the van't Hoff factor of a solute in solution. Given the data in the table, please answer the questions below and determine the "real" van't Hoff factor of the solute. Experimental Results Mass of solvent (water) Freezing point of water Freezing point depression constant (Kf) of water Mass of solution Freezing point of solution 8.515 g 0.00°C 1.86°C/m 9.3589 -5.45°C a. What mass of solute was used? b. What is the...
QUESTION 31 A solution was made by dissolving 26.5g of Na2CO3 in 500.0 mL of water. What is the molality of this solution? (1.0g of water -1.0 ml of water) 11 Na23.6C128016 OA 0.25 m OB. 0.25 M OC 0.5M OD 0.5 m E. None of above QUESTION 32 Molarity (M) of a solution varies with O A Pressure O Temperature OC Partial pressure D. Both A and B OE. Both A and C QUESTION 33 Which of the following...