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What is true about the heated solution upon cooling? A. As energy is released, the concentration of the solution increased. B. The rate of recrystallization hastens with the rate of cooling. C. The undissolved solutes start to settle at the bottom of the solution. D. All of the above

What is true about the heated solution upon cooling? A. As energy is released, the concentration of the solution increased. B. The rate of recrystallization hastens with the rate of cooling. C. The undissolved solutes start to settle at the bottom of the solution. D. All of the above

EBK A SMALL SCALE APPROACH TO ORGANIC L
EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter80: Crystallization: Purification Of Solids
Section: Chapter Questions
Problem 1P
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22. What is true about the heated solution upon cooling? A. As energy is released, the concentration of the solution increased. B. The rate of recrystallization hastens with the rate of cooling. C. The undissolved solutes start to settle at the bottom of the solution. D. All of the above 23. If 50.0g of the solute is dissolved in 120.0g of the solvent at 15°C, how much solute must be added to make the solution saturated? A. -30.0 g B. -46.0 g C. -80.0 g D. -96.0 g 24. Which of the following is classified as an organic compound? A. glucose B. nitrogen gas C. water D. barium bromide 25. Milk is a colloid characterized by which of the following? A. A gas is dispersed in liquid. B. A liquid is dispersed in liquid. C. A solid is dispersed in liquid: D. All of the choices. 26. Which of the following modes of expressing concentration is independent of temperature? A. Molarity and molality B. Normality and mole fraction C. Molality and mole fraction D. Molarity and mole fraction 27. Which of the following statements is NOT true? A. Dissolution and crystallization are onnosite nocesse
Transcribed Image Text:22. What is true about the heated solution upon cooling? A. As energy is released, the concentration of the solution increased. B. The rate of recrystallization hastens with the rate of cooling. C. The undissolved solutes start to settle at the bottom of the solution. D. All of the above 23. If 50.0g of the solute is dissolved in 120.0g of the solvent at 15°C, how much solute must be added to make the solution saturated? A. -30.0 g B. -46.0 g C. -80.0 g D. -96.0 g 24. Which of the following is classified as an organic compound? A. glucose B. nitrogen gas C. water D. barium bromide 25. Milk is a colloid characterized by which of the following? A. A gas is dispersed in liquid. B. A liquid is dispersed in liquid. C. A solid is dispersed in liquid: D. All of the choices. 26. Which of the following modes of expressing concentration is independent of temperature? A. Molarity and molality B. Normality and mole fraction C. Molality and mole fraction D. Molarity and mole fraction 27. Which of the following statements is NOT true? A. Dissolution and crystallization are onnosite nocesse
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