Consider Palmitic acid C16H32O

Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of palmitic acid is prepared by mixing 112 g palmitic acid with 725 mL of benzene C6H6. The density of the resulting solution is 0.902 g/mL.

 

Palmitic acid (molar mass = 256 g/mol and density = 0.852 g/mL); Benzene (molar mass = 78 g/mol and density = 0.879 g/mL)

What is the mole fraction of the solvent?

Final answer must be rounded off to 2 decimal places, and shall NOT have any unit.

What is the mass percentage of the solution? 

Final answer must be rounded off to 2 decimal places, and shall NOT have any unit.

What is the molarity of the solution? 

Final answer must be rounded off to 2 decimal places, and shall NOT have any unit.

 

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