The boiling point of chloroform,
CHCl3, is 61.700 °C at
1 atmosphere. Kb(chloroform) =
3.67 °C/m
In a laboratory experiment, students synthesized a new compound and
found that when 13.20 grams of the compound were
dissolved in 229.2 grams of
chloroform, the solution began to boil at
62.874 °C. The compound was also found to be
nonvolatile and a non-electrolyte.
What is the molecular weight they determined for this compound
?
Let M g/mol be the molecular weight of the new compound.
Mass of new compound is 13.20 g.
The number of moles of new compound
Mass of chloroform
Molality
The elevation in the boiling point
The elevation in the boiling point
The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m...
The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In a laboratory experiment, students synthesized a new compound and found that when 12.07 grams of the compound were dissolved in 292.7 grams of chloroform, the solution began to boil at 62.540 °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
The boiling point ofchloroform, CHCl3, is61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In a laboratory experiment, students synthesized a new compound and found that when 12.35 grams of the compound were dissolved in 238.3 grams of chloroform, the solution began to boil at 62.398 °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
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The freezing point of water, H2O, is 0.000 °C at 1 atmosphere. K(water)--1.86 °C/m In a laboratory experiment, students synthesized a new compound and found that when 12.51 grams of the compound were dissolved in 213.6 grams of water, the solution began to freeze at -1.813 °C. The compound was also found to be nonvolatile and a non-electrolyte What is the molecular weight they deterfnined for this compound ? g/mol The boiling point of chloroform,...
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The boiling point of ethanol, CH3CH,OH, is 78.500 °C at 1 atmosphere. Ky ethanol) = 1.22 °C/m In a laboratory experiment, students synthesized a new compound and found that when 12.13 grams of the compound were dissolved in 294.1 grams of ethanol, the solution began to boil at 78.685 °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 Retry Entire Group 9 more group...
1. The boiling point of ethanol, CH3CH2OH, 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 11.40 grams of the compound were dissolved in278.0 grams of ethanol, the solution began to boil at 78.673 °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 2. Match the following aqueous solutions with...
The boiling point of diethyl ether, CH,CHOCH.CH3, is 34.500 °C at I atmosphere. Ky(diethyl ether) = 2.02 °C/m In a laboratory experiment, students synthesized a new compound and found that when 11.14 grams of the compound were dissolved in 298.6 grams of diethyl ether, the solution began to boil at 34.584 °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 Retry Entire Group 1...
The normal boiling point of benzene C6H6 is 80.100 °C and its Kbp value is 2.53 °C/m. In a laboratory experiment, students synthesized a new compound and found that when 13.70 grams of the compound were dissolved in 209.0 grams of benzene, the solution began to boil at 80.568 °C. The compound was also found to be nonvolatile and a nonelectrolyte. What is the molecular weight they determined for this compound? D g/mol The normal boiling point of benzene C6H,...