The Solubilities of Barium and Strontium Carbonates in Aqueous Solutions of Some Alkali Chlorides

1937 ◽  
Vol 59 (4) ◽  
pp. 631-633 ◽  
Author(s):  
R. W. Townley ◽  
W. B. Whitney ◽  
W. A. Felsing
Keyword(s):  
Aqueous Solutions ◽  
Alkali Chlorides

scholarly journals Resolving the Equal Number Density Puzzle: Molecular Picture from Simulations of LiCl(aq) and NaCl(aq)

2020 ◽  
Author(s):  
Man Nguyen Thi Hong ◽  
Ondrej Tichacek ◽  
Hector Martinez-Seara ◽  
Philip E. Mason ◽  
Pavel Jungwirth
Keyword(s):  
Aqueous Solutions ◽  
Anomalous Behavior ◽  
Lower Number ◽  
Number Density ◽  
Ambient Conditions ◽  
Average Water ◽  
Identical Number ◽  
Dynamics Simulations ◽  
Alkali Chlorides ◽  
Molecular Picture

The change in number densities of aqueous solutions of alkali chlorides should be qualitatively predictable. Typically, as cations get bigger the number density of the solution decreases. However, aqueous solutions of lithium and sodium chloride exhibit at ambient conditions practically identical number densities at equal molalities despite different ionic sizes. Here, we provide an atomistic interpretation of this experimentally observed anomalous behavior using molecular dynamics simulations. The obtained results show that rigidity of the Li<sup>+</sup> first and second solvation shells and associated compromised hydrogen bonding result in practically equal average water densities in the local hydration regions for Li+ and Na+ despite different sizes of the cations. In addition, in more distant regions from the cations, the water densities of these two solutions also coincide. These findings thus provide an atomistic interpretation for matching number densities of LiCl and NaCl solutions. In contrast, the number density differences between NaCl and KCl solutions, as well as between LiCl and KCl solutions behave in a regular fashion with lower number densities of solutions observed for larger cations.

scholarly journals Resolving the Equal Number Density Puzzle: Molecular Picture from Simulations of LiCl(aq) and NaCl(aq)

2020 ◽  
Author(s):  
Man Nguyen Thi Hong ◽  
Ondrej Tichacek ◽  
Hector Martinez-Seara ◽  
Philip E. Mason ◽  
Pavel Jungwirth
Keyword(s):  
Aqueous Solutions ◽  
Anomalous Behavior ◽  
Lower Number ◽  
Number Density ◽  
Ambient Conditions ◽  
Average Water ◽  
Identical Number ◽  
Dynamics Simulations ◽  
Alkali Chlorides ◽  
Molecular Picture

The change in number densities of aqueous solutions of alkali chlorides should be qualitatively predictable. Typically, as cations get bigger the number density of the solution decreases. However, aqueous solutions of lithium and sodium chloride exhibit at ambient conditions practically identical number densities at equal molalities despite different ionic sizes. Here, we provide an atomistic interpretation of this experimentally observed anomalous behavior using molecular dynamics simulations. The obtained results show that rigidity of the Li<sup>+</sup> first and second solvation shells and associated compromised hydrogen bonding result in practically equal average water densities in the local hydration regions for Li+ and Na+ despite different sizes of the cations. In addition, in more distant regions from the cations, the water densities of these two solutions also coincide. These findings thus provide an atomistic interpretation for matching number densities of LiCl and NaCl solutions. In contrast, the number density differences between NaCl and KCl solutions, as well as between LiCl and KCl solutions behave in a regular fashion with lower number densities of solutions observed for larger cations.

Supercooling of Aqueous Solutions of Alkali Chlorides and Acetates

2001 ◽  
Vol 74 (9) ◽  
pp. 1629-1633 ◽  
Author(s):  
Kuniharu Miyata ◽  
Hitoshi Kanno ◽  
Kiyoshi Tomizawa ◽  
Yukihiro Yoshimura
Keyword(s):  
Aqueous Solutions ◽  
Alkali Chlorides

scholarly journals Microgel-like aggregates of isotactic and atactic poly(methacrylic acid) chains in aqueous alkali chloride solutions as evidenced by light scattering

Soft Matter ◽  
2014 ◽  
Vol 10 (39) ◽  
pp. 7712-7722 ◽  
Author(s):  
Simona Sitar ◽  
Vladimir Aseyev ◽  
Ksenija Kogej
Keyword(s):  
Light Scattering ◽  
Aqueous Solutions ◽  
Methacrylic Acid ◽  
Aqueous Alkali ◽  
Alkali Chloride ◽  
Chloride Solutions ◽  
Alkali Chlorides ◽  
Structure Of Aggregates

We study the structure of aggregates formed by isotactic and atactic poly(methacrylic acid)s in aqueous solutions with added alkali chlorides using light scattering.

The hydration of alkali chlorides in aqueous solutions

1989 ◽  
Vol 11 (10) ◽  
pp. 1467-1479 ◽  
Author(s):  
G. Onori
Keyword(s):  
Aqueous Solutions ◽  
Alkali Chlorides
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