None Not yet answered Points out of 1.00 P Flag questionHow concentrated is a solution containing 50 g of KCl in 100 g water at 70 °C? (Refer totext Figure 13.5.)Select one:O A. unsaturatedOB. superunsaturatedO C. supersaturatedOD. saturatedO E.none of the above

The solution containing 50 g of KCl in 100 g water at 70 °C is most likely supersaturated (C).Here's…

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Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter16: Solutions

Section: Chapter Questions

Problem 9E: What happens if you add a very small amount of solid salt (NaCl) to each beaker described below?...

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Refer to Figure 13.10 ( Sec. 13-4b) to answer these questions. (a) Does a saturated solution occur when 65.0 g LiCl is present in 100 g H2O at 40 C? Explain your answer. (b) Consider a solution that contains 95.0 g LiCl in 100 g H2O at 40 C. Is the solution unsaturated, saturated, or supersaturated? Explain your answer. (c) Consider a solution that contains 50. g Li2SO4 in 200. g H2O at 50 C. Is this solution unsaturated, saturated, or supersaturated? Explain your answer. Figure 13.10 Solubility of ionic compounds versus temperature.
How do colloids differ from solutions with regard to dispersed particle size and homogeneity?
In the lab, you dissolve 179 g of MgCl2 into1.00 L of water. Use Table 14.6 to find the freezing pointof the solution.
Match the vapor pressure diagrams with the solute-solvent combinations and explain your answers. a. and b. and c. and d. and
The freezing point of a 0.21 m aqueous solution of H2SO4 is -0.796C. (a) What is i? (b) Is the solution made up primarily of (i) H2SO4 molecules only? (ii) H+ and HSO4- ions? (iii) 2H+ and 1SO42- ions?
Air contains 78% nitrogen. At 25C, Henry's law constant for nitrogen is 6.8104M/atm, while at 37C, it is 6.2104M/atm. (a) How many milligrams of the nitrogen in the air will dissolve in 3.0 L of water at 25C? The air in the head space above the water has a pressure of 1.38 atm. (b) How many milligrams of the nitrogen in the air will dissolve in 3.0 L of water at 37C? The air in the head space above the water has a pressure of 1.38 atm. (c) How much more nitrogen is dissolved at the lower temperature in mass percent?
Mixtures of gases are always true solutions. True or false? Explain why.
Solutions of hydrogen in palladium may be formed by exposing Pd metal to H2 gas. The concentration of hydrogen in the palladium depends on the pressure of H2 gas applied, but in a more complex fashion than can be described by Henry's law. Under certain conditions, 0.94 g of hydrogen gas is dissolved in 215 g of palladium metal (solution density = 10.8 g cm3). (a) Determine the molarity of this solution. (b) Determine the molality of this solution. (c) Determine the percent by mass of hydrogen atoms in this solution.
What happens if you add a very small amount of solid salt (NaCl) to each beaker described below? Include a statement comparing the amount of solid eventually found in the beaker with the amount you added: a a beaker containing saturated NaCl solution, b a beaker with unsaturated NaCl solution, c a beaker containing supersaturated NaCl solution. A saturated sodium chloride solution.
A 12.0-g sample of a nonelectrolyte is dissolved in 80.0 g of water. The solution freezes at -1.94 C. Calculate the molar mass of the substance.
n oil spill spreads out on the surface of water, rather than dissolving in the water. Explain why.
The Henry's law constant for the solubility of argon gas in water is 1.0103M/atm at 30C. (a) Express the constant in M/mm Hg. (b) If the partial pressure of argon gas at 30C is 693 mm Hg, what is the concentration (in M) of the dissolved argon gas at 30C? (c) How many grams of argon gas can be dissolved in 29 L of water at 693 mm Hg and 30C? (Ignore the partial pressure of water.)

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Not yet answered Points out of 1.00 P Flag question How concentrated is a solution containing 50 g of KCl in 100 g water at 70 °C? (Refer to text Figure 13.5.) Select one: O A. unsaturated OB. superunsaturated O C. supersaturated OD. saturated O E. none of the above