The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 14.62 grams of ammonium nitrate, NHNO3 (80.06 g/mol), in 219.8 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Kp ("C/m) Kf(^C/m) 1.86 Solvent Water Ethanol Chloroform Formula Н,о 0.512 1.22 CH;CH,OH снC! CH, Diethyl ether CH;CH,OCH,CH3 1.99 3.67 Benzene 2.53 5.12 2.02 The molality of the solution is m. The boiling point of the solution is °C.

Select the one with the highest boiling point. Select the one with the lowest freezing point. A. 1.0 m KNO3 B. 0.75 m NaCl C. 0.75 m CuCl₂ D. 2.0 m C12H22O11 (sucrose) E. pure water Determine the freezing point of a solution that contains 0.31 mol of sucrose in 175 g of water, where K₁ = 1.86°C/m. A. 3.3°C Your answer: B. 1.1°C C. 0.0°C D. -1.1°C E. -3.3°C

q 2req Visited 2req [Review Topics] [References] Use the References to access important values if needed for this question. The boiling point of ethanol, CH3 CH₂OH, is 78.500 °C at 1 atmosphere. Kb (ethanol) = 1.22 °C/m In a laboratory experiment, students synthesized a new compound and found that when 10.17 grams of the compound were dissolved in 204.5 grams of ethanol, the solution began to boil at 78.723 °C. The compound was also found to be nonvolatile and a non-electrolyte. What is the molecular weight they determined for this compound? g/mol Submit Answer Q Graph_08-30-2....pdf NO Retry Entire Group O J A 9 more group attempts remaining I' 6 Previous Next> Show all 11:15 PM 9/12/2022

The freezing point of water is 0.00°C at 1 atmosphere.A student dissolves 12.66 grams of chromium(II) acetate, Cr(CH3COO)2 (170.1 g/mol), in 281.4 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67   Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02   The molality of the solution is  ?The freezing point of the solution is  ?