If 64.0 g of naphthalene (C10H8, MW = 128) is dissolved in 144 g of benzene (C6H6, MW = 78), what is:
a) the molality of the solution?
b) the mole fraction of the solvent?
If 64.0 g of naphthalene (C10H8, MW = 128) is dissolved in 144 g of benzene...
1) The molarity of naphthaline in a solution of naphthalene (C10H8, MW = 128.8), a non-ionizing and nonvolatile solute, and benzene (CH, MW = 78.11), a volatile solvent, is (C10Hg] =0.086 M. The density of the solution is D = 0.8748 g/cm. Find the following: a) The osmotic pressure exerted by the solution, at T = 25.0 °C. Give your final answer in units of torr. [8 points) b) Xn, the mole fraction of naphthalene in the solution. [15 points]
A 3.314−g sample of a mixture of cyclohexane (C6H12) and naphthalene (C10H8) is dissolved in 45.40 g of benzene (C6H6). The freezing point of the solution is 2.00 ° C. Calculate the mass percent of the mixture.
A 2.50 g sample of naphthalene, C10H8, was dissolved in 100 g of benzene. What is the freezing point of the solution? The freezing point of pure benzene is 5.45 degrees Celsius; Kf=5.07 degrees Celsius/m. The molar mass of C10H8 is 128.17 g/mol The answer is supposed to be 4.46 degrees Celsius. How did they get there?
T 14. If 15.7 g of naphthalene, C10H8, is dissolved in 124.2 g of chloroform, CHCl3, what is the molality of the solution?
urgernt 1) The molarity of naphthaline in a solution of naphthalene (C1Hs, MW = 128.8), a non-ionizing and nonvolatile solute, and benzene (C6H6, MW = 78.11), a volatile solvent, is (C10Hs] = 0.125 M. The density of the solution is D= 0.8781 g/cm². Find the following: a) The osmotic pressure exerted by the solution, at T = 25.0 °C. Give your final answer in units of torr. [8 points) b) Xn, the mole fraction of naphthalene in the solution. [15...
a. Calculate the mole fraction (x) of biphenyl (MW 154.21 g/mol) dissolved in naphthalene (MW = 128.17 g/mol) for a 0.250 m solution. Calculate the %mass biphenyl in the solution from part a.
Determine the freezing point of a solution that contains 65.4 g of naphthalene (C10H8) dissolved i 835 mL of benzene (density -0.877 g/mL). Pure benzene has a freezing point of 5.50°C and a freezing point depression constant of 4.90°C/m.
Chloroform boils at 61.3oC. What mass of naphthalene (C10H8 mw=128 amu) would be needed to raise the boiling point of 25.0 g of chloroform to 68.3oC if the boiling point elevation constant for chloroform is 3.63 oC/m B4 A) 6.2 g napthelene B) 19.3 g napthelene C) 0.635 g napthelene D) 2.09 g napthelene E) None of the above
urgent 1) The molarity of naphthaline in a solution of naphthalene (C1H, MW = 128.8), a non-ionizing and nonvolatile solute, and benzene (CH, MW = 78.11), a volatile solvent, is [CroHs) = 0.086 M. The density of the solution is D- 0.8748 g/cm'. Find the following: a) The osmotic pressure exerted by the solution, at T = 25.0 °C. Give your final answer in units of torr. [8 points) b) Xn, the mole fraction of naphthalene in the solution. [15...
1) The molarity of naphthaline in a solution of naphthalene (C10Hs, MW = 128.8), a non-ionizing and nonvolatile solute, and benzene (CH, MW = 78.11), a volatile solvent, is [CyHx) = 0.122 M. The density of the solution is D- 0.8770 g/cm? Find the following: a) The osmotic pressure exerted by the solution, at T = 25.0 °C. Give your final answer in units of tot [8 points) b) Xn, the mole fraction of naphthalene in the solution. [15 points)