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At 45 °C, a solution is prepared by mixing 48.0 g Na2SO4 with 240.0 g water. The vapor pressure of water at 45 °C is 71.9 torr. Assuming total dissociation of the salt, determine: (a) mole fraction of Na2SO4; (b) mole fraction of water; (c) vapor pressure of the solution. (molar mass, g/mol: Na2SO4= 142.04; water = 18.02) (a) XNa2s04 = (b) Xwater = (d) Psoln = A

At 45 °C, a solution is prepared by mixing 48.0 g Na2SO4 with 240.0 g water. The vapor pressure of water at 45 °C is 71.9 torr. Assuming total dissociation of the salt, determine: (a) mole fraction of Na2SO4; (b) mole fraction of water; (c) vapor pressure of the solution. (molar mass, g/mol: Na2SO4= 142.04; water = 18.02) (a) XNa2s04 = (b) Xwater = (d) Psoln = A

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter14: Mixtures And Solutions
Section: Chapter Questions
Problem 85A
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At 45 °C, a solution is prepared by mixing 48.0 g Na2SO4 with 240.0 g water. The vapor pressure of water at 45 °C is 71.9 torr. Assuming total dissociation of the salt, determine: (a) mole fraction of Na2SO4; (b) mole fraction of water; (c) vapor pressure of the solution. (molar mass, g/mol: Na2SO4= 142.04; water = 18.02) (a) XNa2s04 = (b) Xwater = (d) Psoln =
Transcribed Image Text:At 45 °C, a solution is prepared by mixing 48.0 g Na2SO4 with 240.0 g water. The vapor pressure of water at 45 °C is 71.9 torr. Assuming total dissociation of the salt, determine: (a) mole fraction of Na2SO4; (b) mole fraction of water; (c) vapor pressure of the solution. (molar mass, g/mol: Na2SO4= 142.04; water = 18.02) (a) XNa2s04 = (b) Xwater = (d) Psoln =
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