9) What is the boiling point of a solution containing 10 grams CH,N,O in 150 grams...
9) What is the boiling point of a solution containing 1.50 g C,H,O, in 75 grams CHCI,? (k, CHCl, = 3.63 °C/m; T. = 61.7 °C) in arame of an unknown eyerte an emotie neeenne af 40
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Quest. 10. (9 pts) The boiling point of a solution containing 4.12 g organic c was 83.7 °C. Calculate the molar mass of the of cyclohexane is 80.7 °C and its Ko is 2.79 °C/m. olar mass of the organic compound. The boiling point of 12 8 organic compound in 98.6 g of cyclohexane
The boiling point of diethyl ether, CH,CH,OCH,CHg, is 34.500 °C at 1 atmosphere. K (diethyl ether) - 2.02 °C/m In a laboratory experiment, students synthesized a new compound and found that when 10.45 grams of the compound were dissolved in 273.2 grams diethyl ether, the solution began to boil at 34.718 °C. The compound was also found to be nonvolatile and a non-clectrolyte. What is the molecular weight they determined for this compound? g/mol Submit Answer Retry Entire Group 9...
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answer each of these please
What is the boiling point of an aqueous solution that has a vapor pressure of 22.5 torr at 25°C? (Puo 23.78 torn; Kb = 0,512 °C/m). Express your answer using four significant figures. VO AXO ? c A solution contains 10.55 g of unknown compound (non-electrolyte) dissolved in 50,0 mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -4,35 °C. The mass percent composition of...
Calculate the freezing point and boiling point of a solution containing 8.50 g of ethylene glycol ( C 2 H 6 O 2 ) in 89.9 mL of ethanol. Ethanol has a density of 0.789 g/ cm 3 . . Part A Calculate the freezing point of the solution. Express the answer using four significant figures. Part B Calculate the boiling point of the solution. Calculate your answer using three significant figures.
9. Calculate the normal boiling point of a solution consisting of 1.0 gram of naphthalene dissolved in 100.0 grams of toluene. The normal boiling point of toluene is 110.7°C and the boiling point constant is 36.1 K. (6 pts)
How many grams of CH_4N_2O are dissolved in a solution containing 150 grams of water which freezes at - 2.07 degree C? (k_f H_2O = -1.86 degree C/m)
Calculate the freezing point and boiling point of a solution containing 17.4 g of naphthalene (C10H8) in 112.0 mL of benzene. Benzene has a density of 0.877 g/cm3. Part A Calculate the freezing point of a solution. (Kf(benzene)=5.12∘C/m.) Part B Calculate the boiling point of a solution. (Kb(benzene)=2.53∘C/m.)
What is the boiling point elevation of a solution containing 17.1 g of sucrose in 100.0 g of water? The molal elevation constant of water is 0.512°C/m and the molar mass of sucrose is 342 g/mol.
Calculate the freezing point and boiling point of a solution containing 20.0 g of naphthalene (C_10H_8) in 119.0 mL of benzene. Benzene has a density of 0877 g/cm^3. Calculate the freezing point of a solution (K_f (benzene) = 5.12 degree C/m) T_f = 2.54 Calculate the boiling point of a solution. (K_b (benzene) = 2.53 degree C/m) T_b =