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13 Dec 2019
a mixture is made by mixing 500mL of substance x, an electrolyte with a van't hoff factor of 2 ( density = 1.25 g/mL;Molar mass = 55.00g/mol) and 1000mL of water (density=1.00g/mL) at 20 degrees celsius .The density of the mixture is 1.114g/mL. express the concentration of substance x as
a) volume percent
b) molarity
c)molality
D) mole fraction
Given the vapor pressure of pure water at 20degrees celsius is 17.5 torr. what is the freezing point of the solution? (water Kf=1.86)
a mixture is made by mixing 500mL of substance x, an electrolyte with a van't hoff factor of 2 ( density = 1.25 g/mL;Molar mass = 55.00g/mol) and 1000mL of water (density=1.00g/mL) at 20 degrees celsius .The density of the mixture is 1.114g/mL. express the concentration of substance x as
a) volume percent
b) molarity
c)molality
D) mole fraction
Given the vapor pressure of pure water at 20degrees celsius is 17.5 torr. what is the freezing point of the solution? (water Kf=1.86)
Bunny GreenfelderLv2
17 Dec 2019
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