A solution contains 128 g of CH3OH and 108 g of water. What is the mole fraction of CH3OH in the solution?
A solution contains 128 g of CH3OH and 108 g of water. What is the mole...
A solution is prepared by dissolving 20.2 mLmL of methanol (CH3OH)(CH3OH) in 100.0 mLmL of water at 25 ∘C∘C. The final volume of the solution is 118 mLmL. The densities of methanol and water at this temperature are 0.782 g/mLg/mL and 1.00 g/mLg/mL, respectively. For this solution, calculate each of the following. a. Molarity b. Molality C. Percent by mass d. Mole Fraction
A solution is made containing (1.08x10^1) g of CH3OH in (1.943x10^2) g H2O. Calculate the mole fraction of CH3OH. Note: Your answer is assumed to be reduced to the highest power possible.
A solution is prepared by mixing 1.000 mole of methanol (CH3OH) and 1.37 mole of propanol (CH3CH2CH2OH). What is the composition of the vapor (in mole fractions) at 40°C? Vapor Pressures at 40°C Pure methanol 303 torr Pure propanol 44.6 torr CH3OH mole fraction in the vapor = CH3CH2CH2OH mole fraction in the vapor =
A solution is prepared by dissolving 20.2 mL of methanol (CH3OH) in 100.0 mL of water at 25 ∘C. The final volume of the solution is 118 mL. The densities of methanol and water at this temperature are 0.782 g/mL and 1.00 g/mL, respectively. For this solution, calculate mole percent M=4.18 m=4.93 percent by mass= 13.6% mole fraction= 8.15*10^-2
A solution is made by mixing 17. g of methanol (CH3OH) and 140. g of acetone ((CH3),co). Calculate the mole fraction of methanol in this solution. Be sure your answer has the correct number of significant digits. x 6 ?
1.What is the mole fraction of MgCl2 (MM=95.21 g/mole) in an aqueous solution that is 5.80 m MgCl2? A. 0.104 B. 0.0946 C. 0.356 D. 0.553 E. none of these 2. A solution contains 0.144m Na2SO4 and has a measured freezing point of -0.606 degree celcius. What is the value of the Van’t Hoff factor, i? The freezing point depression constant for water is -1.86 degree celcius/m. A. 3 B.0.326 C.2.26 D. 3.07. E. Cannot be determined 3.The vapor pressure...
3. What is the mole fraction of urea in a solution that contains 2.0 mol of urea and 5.4 mol of water? 1.0.27 b. 0.37 c. 0.77 d. 0.73 e. 0.47 work? - 12
A solution is prepared by dissolving 38.6 g sucrose in 495 g water. Determine the mole fraction of sucrose if the final volume of the solution is 508 mL.
What is the mole fraction of a solute in a solution prepaared with 37.8 g of C6H12O6 dissolved in 482 g of water to make 555 mL of solution? Express your answer in scientific notation.
Question 18 An aqueous solution of glucose (C6H1206) contains 22% glucose by mass. Calculate the mole fraction of glucose. Molar Mass of glucose = 180 g/mole; Molar Mass of water = 18 g/mole 0.122 0.0274 O 0.973 1.00