A compound contains 42.9%C,2.4%H,16.6%N, and 38.1%O by mass. The addition of 3.16 g of this compound to 75 mL of cyclohexane (density is 0.779 g/mL) gives a solution with a freezing point of 0°C. The normal freezing point of cyclohexane is 6.5°C and its freezing point depression constant is 20.2°C/m. What is the molecular mass?   A. 98 g/mol B. 125 g/mol C. 168 g/mol D. 178 g/mol E. 207 g/mol F. 150 g/mol

Q: When 21.0 of a certain molecular compound X are dissolved in 55.0 g Of formamide (NH,COH), the…

A: Given: Freezing point of NH2COH solution = -1.4 oC Mass of compound X dissolved = 21.0 g. Mass of…

Q: The elemental analysis of an organic solid extracted from gum arabic (a gummy substance used in…

A: Tf = 1.28oCKf = 8.00oC/mmass of solvent = 32.9 gmass of solid = 0.633 g% by mass of C = 40.0%% by…

Q: When 1.504 g of a solute is dissolved in 5.012 g of solvent (benzene), the solution freezes at -7.05…

A: Given: Mass of solute = 1.504 g Mass of solvent (Benzene) =5.012 g Freezing point of the solution…

Q: A solution contains a mixture of pentane and hexane at room temperature.  The solution has a vapor…

A: Given data, Vapor pressure of pure hexane = 151 torr Vapor pressure of pure pentane = 425 torr Total…

Q: Adding 1g of benzene, C6H6, to 70g cyclohexane, C6H12, lowers the freezing point of the cyclohexane…

A: In a solution, the constituent that is added in smaller quantity is solute, and that is present in…

Q: When 168 mg of a certain molecular compound X are dissolved in 25.0 g of cyclohexane, the freezing…

A: Solution -

Q: What is the mole fraction of acetone, C3H6O, in the vapor phase from a solution consisting of a…

A:

Q: A compound contains 42.9%C,2.4%H,16.6%N, and 38.1%O by mass. The addition of 3.16 g of this compound…

A: The empirical mass of the compound has to be calculated. The mass of cyclohexane is determined as,…

Q: A solution contains 1.75 g of a non–volatile, non–electrolyte solute dissolved in 23.47g stearic…

A:

Q: Benzene is a common industrial solvent (molar mass: 78.11 g/mol). Its normal freezing point is 5.50…

A:

Q: A solution that contains 3.00 g of urea [CO(NH2)2] dissolved in 78.1 g of benzene (C6H6) has a…

A: Given,  Solution of urea(solute) and benzene(solvent) has a freezing point of 2.37 °C. The normal…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.