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teasleycarl53
21.01.2021 •
Chemistry
What is the mole fraction of ions in solution if the vapor pressure of an aqueous solution of NaCl is 2.02 kPa
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Ответ:
.133
Explanation:
Dissolution of solute lowers the vapor pressure of solvent .
Relative lowering by non -volatile solute is equal to mole fraction of solute dissolved .
Vapor pressure of pure water is 2.33 k Pa
Lowering of vapor pressure = 2.33 - 2.02 = .31 k Pa .
relative lowering = .31 / 2.33 = .133
relative lowering will be equal to mole fraction of non volatile solute like NaCl
so mole fraction of NaCl dissolved = .133
Ответ:
t’s 1,2,4 and 5 because probability can be represented in percentage, a real number, and fraction. A multiplication equation cannot be classified as probability
Explanation: