io containing equal volumes o become saturated. ng erefer to the solubility curv
ID: 593987 • Letter: I
Question
io containing equal volumes o become saturated. ng erefer to the solubility curves shown below. Suppose you have four beakers f water. You then add o 6. Which of the four saturated solutions would produce the greatest mass of precipitate when cooled from 90 C to 60°C? the largest when it is cooled from 20°C to 0°c? molality at 40°C? KNOs 7. The molality of which solution would increase 8. Which saturated solution has the highest 9. You are given a dry mixture containing 60 g of KClOs Nacl 0 10 20 30 40 50 60 70 80 90 100 KNO3 and 60 g of KCI03 and you are asked to produce as much pure KCIOs as possible. Describe your procedure. Temperature (C) States of matter & properties of solutions 4 Page 1 of 4Explanation / Answer
6. The answer is KClO3
The given solubility curve demonstrates how many grams of solute is present in a saturated solution containing 100 g water at a certain temperature. When going from 90 C to 60 C, KClO3 will produce the greatest mass of precipitate. Although there is one more line of Ce2(SO4)3 below KClO3, however, the curve moves downward with increasing temperature indicating it is a gas because solubility of gas decreases with increase in temperature.
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