ch1q5


A certain substance, X, has a solubility of 220 grams/100 grams solvent at 80o and 167.4 grams/100 grams solvent at 25oC. Another substance, Y has a solubility of 125.27 grams/100 grams solvent at 80o and 97.97 grams/100 grams solvent at 25oC.
572.5 grams of solvent (water) is used to prepare a solution saturated in both X and Y at 80oC is cooled to 25oC.
What is the ratio of the amount of X to the amount of Y in the solid precipitate?

Choose your answer in scientific notation, e.g., ±1.000x10±00
. x 10{ }

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