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An aqueous solution of a compound with a very high molar mass was prepared in a concentration of 82.7 g·L-1 at 25 °C. Its osmotic pressure was 0.540 ·102 Pa. Calculate the molar mass of the compound.


  • Chemistry - ,

    pi = MRT.
    You know pibut change to atm. You know molarity is 82.7/molar mass per L, you know R and T. Solve for molar mass. Post your work if get stuck.

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