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40. 5.63 grams of LiBr is dissolved in 78.0 grams of water. What is the mole fraction of LiBr in this solut a. 0.00955 b. 0.0122 c. 0.0147 d. 0.0173 41. "The tendency of atoms in molecules to have eight electrons in their valence shells" is the b. valence a. eight c. full shell d. octet 42. A solution consists of sodium chloride solid dissolved in water. How will the solubility of the sodium affected by the increase in pressure above the solution? a. It will increase. b. It will decrease. c. It will remain unchanged.

40. 5.63 grams of LiBr is dissolved in 78.0 grams of water. What is the mole fraction of LiBr in this solut a. 0.00955 b. 0.0122 c. 0.0147 d. 0.0173 41. "The tendency of atoms in molecules to have eight electrons in their valence shells" is the b. valence a. eight c. full shell d. octet 42. A solution consists of sodium chloride solid dissolved in water. How will the solubility of the sodium affected by the increase in pressure above the solution? a. It will increase. b. It will decrease. c. It will remain unchanged.

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 41QRT: A sample of water contains 0.010 ppm lead ions, Pb2+. (a) Calculate the mass of lead ions per liter...
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40. 5.63 grams of LiBr is dissolved in 78.0 grams of water. What is the mole fraction of LiBr in this solutic a. 0.00955 b. 0.0122 c. 0.0147 d. 0.0173 41. "The tendency of atoms in molecules to have eight electrons in their valence shells" is the b. valence a. eight c. full shell d. octet 42. A solution consists of sodium chloride solid dissolved in water. How will the solubility of the sodium affected by the increase in pressure above the solution? a. It will increase. b. It will decrease. c. It will remain unchanged. 回 t M Address X S
Transcribed Image Text:40. 5.63 grams of LiBr is dissolved in 78.0 grams of water. What is the mole fraction of LiBr in this solutic a. 0.00955 b. 0.0122 c. 0.0147 d. 0.0173 41. "The tendency of atoms in molecules to have eight electrons in their valence shells" is the b. valence a. eight c. full shell d. octet 42. A solution consists of sodium chloride solid dissolved in water. How will the solubility of the sodium affected by the increase in pressure above the solution? a. It will increase. b. It will decrease. c. It will remain unchanged. 回 t M Address X S
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