One mole of compound A, with vapor pressure 400 mmHg at 50 °C, mixed with 3 moles of compound B, with vapor pressure 480 mmHg at 50 °C to form a homogeneous solution. What is the vapor pressure of mixture at 50 °C?

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1. One mole of compound A, with vapor pressure 400 mmHg at 50 °C,
mixed with 3 moles of compound B, with vapor pressure 480 mmHg
at 50 °C to form a homogeneous solution. What is the vapor pressure
of mixture at 50 °C?
2. Calculate the mole fraction of each compound in a mixture 95.0 g
ethanol, CH3CH2OH and 5.0 g water, H20.
3. Given the following mole fraction and vapor pressures for miscible
liquids A and B, calculate the composition (in mole percentage) of the
vapor from a distilling an ideal binary solution at 150 °C and 760
mmHg for the solution
PAa = 1710 mmHg
= 127 mmHg
XA = 0.40
Хв 3D 0.60
Transcribed Image Text:1. One mole of compound A, with vapor pressure 400 mmHg at 50 °C, mixed with 3 moles of compound B, with vapor pressure 480 mmHg at 50 °C to form a homogeneous solution. What is the vapor pressure of mixture at 50 °C? 2. Calculate the mole fraction of each compound in a mixture 95.0 g ethanol, CH3CH2OH and 5.0 g water, H20. 3. Given the following mole fraction and vapor pressures for miscible liquids A and B, calculate the composition (in mole percentage) of the vapor from a distilling an ideal binary solution at 150 °C and 760 mmHg for the solution PAa = 1710 mmHg = 127 mmHg XA = 0.40 Хв 3D 0.60
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