March 28, 2017

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a solution of 4.65 of a carbohydrate in 100.0g of water has a density of 1.016g/mL and an osmotic pressure of 3.18 atm at 20.0 degrees celcius. calculate the molar mass of the carbohydrate.

  • Chemistry - ,

    Note the correct spelling of celsius.

    pi = MRT
    Solve for M = molarity. M = moles/L soln
    Use density to determine the volume of 100 g of the soln, then calculate moles. Finally, moles = grams/molar mass.You know g and moles, solve for molar mass.

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