240 220 200 NACIO3 180 KNO 160 140 KBrt 120 100 80 60 NaCl 40 20 20 40 60 100 120 Temperature (°C) 1. Which of these statements is true according to the graph shown above? a. More KNO, will dissolve than KBr at 0°C. b. Temperature has little effect on the water solubility of NaCl. c. KBr is insoluble in water at low temperatures. d. An increase in temperature causes a decrease in the solubility of NacIO, in water. 2. At 40°C, 100 grams of NaCIO, is added to 100 grams of water. The solution would be... a. saturated b. unsaturated C. saturated with excess d. supersaturated Solubility (g/100 g of water)

240 220 200 NACIO3 180 KNO 160 140 KBrt 120 100 80 60 NaCl 40 20 20 40 60 100 120 Temperature (°C) 1. Which of these statements is true according to the graph shown above? a. More KNO, will dissolve than KBr at 0°C. b. Temperature has little effect on the water solubility of NaCl. c. KBr is insoluble in water at low temperatures. d. An increase in temperature causes a decrease in the solubility of NacIO, in water. 2. At 40°C, 100 grams of NaCIO, is added to 100 grams of water. The solution would be... a. saturated b. unsaturated C. saturated with excess d. supersaturated Solubility (g/100 g of water)

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter10: Properties Of Solutions

Section: Chapter Questions

Problem 61E: Which of the following will have the lowest total vapor pressure at 25C? a. pure water (vapor...

See similar textbooks

Similar questions

An aqueous solution made up of 32.47 g of iron(III) chloride in 100.0 mL of solution has a density of 1.249 g/mL at 25C. Calculate its (a) molarity. (b) molality. (c) osmotic pressure at 25C (assume i=4). (d) freezing point.
You dissolve 1.0 mol of urea (H2NCONH2) in 270 g of water. The mole fraction of urea is (a) 3710 3 (b) 0.063 (c) 16 (d) 1.0 and its molality is (a) 1.0 (b) 3.7 (c) 0.063 (d) 0.27
Distinguish between dispersion methods and condensation methods for preparing colloidal systems.
Which of the following will have the lowest total vapor pressure at 25C? a. pure water (vapor pressure = 23.8 torr at 25C) b. a solution of glucose in water with C6H12O6=0.01 c. a solution of sodium chloride in water with NaCl = 0.01 d. a solution of methanol in water with CH3OH=0.2 (Consider the vapor pressure of both methanol [143 torr at 25C] and water.)
Concentrated hydrochloric acid contains 1.00 mol HCl dissolved in 3.31 mol H2O. What is the mole fraction of HCl in concentrated hydrochloric acid? What is the molal concentration of HCl?
Vodka is advertised to be 80 proof. That means that the ethanol (C2H5OH) concentration is 40% (two significant figures) by volume. Assuming the density of the solution to be 1.0 g/mL, what is the freezing point of vodka? The density of ethanol is 0.789 g/mL.
The specific gravity of a solution of KCl is greater than 1.00. The specific gravity of a solution of NH3 is less than 1.00. Is specific gravity a colligative property? Why, or why not?
An aqueous solution contains 0.180 g of an unknown, nonionic solute in 50.0 g of water. The solution freezes at 0.040 C. What is the molar mass of the solute?
A solution is 4.00% (by mass) maltose and 96.00% water. It freezes at 0.229 C. (a) Calculate the molar mass of maltose (which is not an ionic compound). (b) The density of the solution is 1.014 g/mL Calculate the osmotic pressure of the solution.