When 0.500 g of vitamin X is dissolved in 10.0g of camphor (Kf = 40.0°C/m), the freezing point of the solution is 4.43°C lower than that of pure camphor. Assuming vitamin X is a nonelectrolyte in camphor, calculate its molar mass. %3D O 0.451 g/mol O 354 g/mol O 451 g/mol O 3.54 x 104 g/mol O 55.4 g/mol

Chemistry: Principles and Reactions
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Problem 78QAP: A gaseous solute dissolves in water. The solution process has H=15 kJ. Its solubility at 22C and...
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When 0.500 g of vitamin X is dissolved in 10.0 g of camphor (Kf = 40.0°C/m), the freezing
point of the solution is 4.43°C lower than that of pure camphor. Assuming vitamin X is a
nonelectrolyte in camphor, calculate its molar mass.
O 0.451 g/mol
O 354 g/mol
O 451 g/mol
O 3.54 x 104g/mol
O 55.4 g/mol
Transcribed Image Text:When 0.500 g of vitamin X is dissolved in 10.0 g of camphor (Kf = 40.0°C/m), the freezing point of the solution is 4.43°C lower than that of pure camphor. Assuming vitamin X is a nonelectrolyte in camphor, calculate its molar mass. O 0.451 g/mol O 354 g/mol O 451 g/mol O 3.54 x 104g/mol O 55.4 g/mol
What is the osmotic pressure of a 2.00% by weight aqueous solution of NaCIO4 (M, =
122.44) at 22.0 °C if its density is 1.013 g.mL-1?
0 9.67 atm
O 1.01 atm
O 82.8 atm
O 4.09 atm
O 8.18 atm
Transcribed Image Text:What is the osmotic pressure of a 2.00% by weight aqueous solution of NaCIO4 (M, = 122.44) at 22.0 °C if its density is 1.013 g.mL-1? 0 9.67 atm O 1.01 atm O 82.8 atm O 4.09 atm O 8.18 atm
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