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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Which of the following will have lowest vapor pressure?
A. 1M salt water solution
B. Water
C. 2 M salt water solution
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- Which of the following correctly states the relationship between temperature and the solubility of a substance in water? A. The solubility of a substance in water increases as the temperature rises, especially for gases. B. The solubility of a substance in water decreases as the temperature rises, especially for ionic solids. C. The solubility of a substance in water decreases as the temperature lowers, especially for gases. D. Both A and B are correct. E. The solubility of a substance in water with temperature cannot be accurately predicted, especially for ionic solids.arrow_forwardThe type of heterogenous mixtures where the solutes do not settle out is called a _____. Select one: a. solution b. compound c. colloid d. suspensionarrow_forward26. The osmotic pressure of a MgSO4 (120.4 g/mol) solution at 25°C is 0.489 atm. Calculate the molarity of the MgSO4 solution. A) 0.01 MB) 0.02 M C) 0.03 M D) 0.04 Marrow_forward
- Calculate the molarity of each aqueous solution with the given amount of NaCl (molar mass 58.44 g/mol) and final volume. a. 47.0 g in 7.14 L b. 65.4 g in 380. mL c. 42.0 g in 930. mL MIarrow_forwardWhen you put a Kool-Aid packet into water, you form a solution (a result of a physical change). Correctly identify the solute and the solvent of this Kool-Aid solution. 1. both Kool-Aid and water are the solvents. 2. solute: water; solvent: Kool-Aid packet 3. solute: Kool-Aid packet; solvent: water 4. solute: salt; solvent: waterarrow_forward17. A solution is formed at room temperature by vigorously dissolving enough of the solid solute sothat no solid remains at the bottom of the solution. Which statement below is TRUE? A. The solution is considered unsaturated.B. The solution is considered supersaturated.C. The solution is considered saturated.D. The solution would be considered unsaturated if it were cooled a bit to increase the ubility of the solid. E. Name of the above are true.arrow_forward
- What occurs in solvation? a.a non-polar substance is formed b.ions are surrounded by the oppositely charged end of water molecules c.water molecules repel ions d.ions conduct electricityarrow_forwardIf an aqueous system cannot be filtered but exhibits the Tyndall effect, it is considered a(n): a.colloid b.solution c.electrolyte d.suspensionarrow_forward40.0 g of a solute is dissolved in 500. mL of a solvent to give a solution with a volume of 515 mL. The solvent has a density of 1.00 g/mL. Which statement about this solution is correct? A. The molarity and molality cannot be compared without knowing the solute. B. The molarity is lower than the molality. C. The molarity is greater than the molality. D. The molarity and molality cannot be compared without knowing the density of the solution as well. E. The molarity is the same as the molality.arrow_forward
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