Question

What is the vapor pressure at 20°C of an ideal solution prepared by the addition of 2.19 g of the nonvolatile solute urea, CO(NH2)2, to 43.5 g of methanol, CH3OH? The vapor pressure of pure methanol at 20°C is 89.0 mmHg. a) 2.33 mmHg b) 84.7 mmHg c) 81.3 mmHg d) 7.68 mmHg e) 86.7 mmHg

Name: what is the vapor pressure at 20c of an ideal solution prepared by the addition of 219 g of the nonvolatile solute urea conh22 to 435 g of methanol ch3oh the vapor pressure of pure methanol 32485
Uploaded: 2022-06-27T14:23:57-08:00
Duration: 2 min 39 s
Channel: Suman K
Description: what is the vapor pressure at 20c of an ideal solution prepared by the addition of 219 g of the nonvolatile solute urea conh22 to 435 g of methanol ch3oh the vapor pressure of pure methanol 32485

          What is the vapor pressure at
20°C of an ideal solution prepared by the addition of 2.19 g of the
nonvolatile solute urea, CO(NH2)2, to 43.5 g
of methanol, CH3OH? The vapor pressure of pure methanol
at 20°C is 89.0 mmHg.
a) 2.33 mmHg
b) 84.7 mmHg
c) 81.3 mmHg
d) 7.68 mmHg
e) 86.7 mmHg

Added by Brittany G.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Suman K

06/27/2022

Step 1

Given: Mass of urea (CO(NH2)2) = 2.19 g Molar mass of urea (CO(NH2)2) = 60 g/mol Mass of methanol (CH3OH) = 43.5 g Molar mass of methanol (CH3OH) = 32 g/mol Moles of urea = 2.19 g / 60 g/mol = 0.0365 mol Moles of methanol = 43.5 g / 32 g/mol = 1.3594 mol Mole Show more…

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What is the vapor pressure at 20°C of an ideal solution prepared by the addition of 2.19 g of the nonvolatile solute urea, CO(NH2)2, to 43.5 g of methanol, CH3OH? The vapor pressure of pure methanol at 20°C is 89.0 mmHg. a) 2.33 mmHg b) 84.7 mmHg c) 81.3 mmHg d) 7.68 mmHg e) 86.7 mmHg