In 108 ~g of water, 18 ~g of a non-volatile compound is dissolved. At 100^ C the vapor pressure of the solution is 750 ~mm Hg . Assuming that the compound does not undergo association or dissociation, the molar mass of the compound in g mol

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In 108 ~g of water, 18 ~g of a non-volatile compound is dissolved. At 100^ C the vapor pressure of the solution is 750 ~mm Hg . Assuming that the compound does not undergo association or dissociation, the molar mass of the compound in g mol ⁻¹ is

Quantrex Academy · Accepted Answer

Correct answer: D. 228

n N = P _ O - P _ S P _ O 18 ~m 18 108 = 760-750 760 18 6 ~m = 10 760 6 ~m =18 76 ~m =228

In 108 ~g of water, 18 ~g of a non-volatile compound is dissolved. At 100^ C the vapor pressure of the solution is 750 ~mm Hg . Assuming that the compound does not undergo association or dissociation, the molar mass of the compound in g mol ⁻¹ is

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