Asked by: Fousseni Qotbi
science chemistry

How does the solvent affect solubility?

Last Updated: 24th April, 2020

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Solute-Solvent Interactions Affect Solubility
Strong solute-solvent attractions equate to greater solubility while weak solute-solvent attractions equate to lesser solubility. In turn, polar solutes tend to dissolve best in polar solvents while non-polar solutes tend to dissolve best in non-polar solvents.

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Moreover, does the amount of solvent affect solubility?

No (as long as there is solvent… if there is no solvent, the rate is zero). The amount of solvent can affect only how much of the solute dissolves, assuming that you have more solute than would saturate the solvent.

Likewise, what effect does diluting a precipitate have on its solubility? i.e. take some of the dissolved ions away and make room for more of the solid to dissolve. Diluting with water does decrease the [] of the dissolved ions but not enough to make any appreciable difference on solids with very low Ksp values.

Beside above, what are factors that affect solubility?

Solubility is the maximum amount of a substance that will dissolve in a given amount of solvent at a specific temperature. There are two direct factors that affect solubility: temperature and pressure. Temperature affects the solubility of both solids and gases, but pressure only affects the solubility of gases.

How does polarity of the solute and solvent affect the solubility of a solution?

In addition, molecular polarity affects solubility in that polar molecules are best solvated by polar solvent molecules and nonpolar molecules are best solvated by nonpolar solvent molecules; i.e., "like dissolves like". If, however, the sum of the bond polarities is not zero, the molecule is polar.

Related Question Answers

Marilou Yoel

Professional

What 3 factors affect solubility?

Factors affecting solubility
  • Temperature. Basically, solubility increases with temperature.
  • Polarity. In most cases solutes dissolve in solvents that have a similar polarity.
  • Pressure. Solid and liquid solutes.
  • Molecular size.
  • Stirring increases the speed of dissolving.

Lynsey Daniels

Professional

What is the formula for solubility?

Solubility indicates the maximum amount of a substance that can be dissolved in a solvent at a given temperature. Such a solution is called saturated. Divide the mass of the compound by the mass of the solvent and then multiply by 100 g to calculate the solubility in g/100g .

Ibrahime Avila

Professional

What happens when you add more solvent?

The concentration of a solution can be even further reduced, or diluted, by adding more solvent. On the other hand, as more solute is added to a solution, the solution becomes more concentrated. If a solution contains less solute than this maximum amount, it is an unsaturated solution.

Yiqun Vaisner

Explainer

Why is solubility important?

Solubility indicates the upper concentration a compound reaches in a solution. Solubility is a very important property in drug discovery and development, because concentration affects so many aspects of pharmacology (e.g., structure-activity relationships, efficacy, pharmacokinetics, toxicity).

Abarca Thackray

Explainer

How can you increase solubility?

Key Points
  1. For many solids dissolved in liquid water, the solubility increases with temperature.
  2. The increase in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.

Kadda Raikhman

Explainer

How do you find the structure of solubility?

Solubility is often expressed as the mass of solute per volume (g/L) or mass of solute per mass of solvent (g/g), or as the moles of solute per volume (mol/L). Even for very soluble substances, however, there is usually a limit to how much solute can dissolve in a given quantity of solvent.

Sahel Reinbold

Pundit

What are solubility curves used for?

Solubility curves is used to determine the mass of solute in grams per 100 grams of water(g/100gm) at the given temperature. Applications of curve; 1. It gives an idea about the ability of a solute to dissolve in water at different temperature.

Franciscus Mirman

Pundit

How does branching affect solubility?

Greater the surface area of this hydrophobic part, less is the solubility. But, within isomeric alcohols, solubility increases with branching. This is due to the reason that as branching increase, surface area of non-polar hydrocarbon part decreases and solubility increases.

Abdeljabar Rustamov

Pundit

What affects solubility and why?

Solubility is the maximum amount of a substance that will dissolve in a given amount of solvent at a specific temperature. There are two direct factors that affect solubility: temperature and pressure. Temperature affects the solubility of both solids and gases, but pressure only affects the solubility of gases.

Yenay Giere

Pundit

Ena Twersky

Pundit

What factors affect saturation?

The most important factors are:
  • Temperature: Solubility increases with temperature.
  • Pressure: Increasing pressure can force more solute into solution.
  • Chemical Composition: The nature of the solute and solvent and the presence of other chemicals in a solution affects solubility.

Valerija Kauffman

Teacher

What are examples of solubility?

So for some examples of solubility… meaning solvents that dissolve into a solute to form a solubility, due to their solubility: salt or sugar into HOT water; into cold water it would form a mixture (and a small amount of solution).

Albina Amatriain

Teacher

How does electronegativity affect solubility?

Re: Electronegativity influencing solubility
The rule is "like dissolves like." So since water is a polar molecule, it dissolves polar compounds, and the more polar a compound is the more soluble it is in water. To determine which compound of the two in each part is more polar you use electronegativity.

Kathyrn Zehetleitner

Teacher

Why solubility of NaCl is not affected by temperature?

Solubility of solid in a liquid depends on the nature of the solid. It depends on whether the dissolution process is exothermic or endothermic. Therefore, temperature doesn't affect the dissolution of NaCl as the heat of hydration almost equalizes heat of dissolution.

Cristiana Chowdry

Teacher

Does pH affect solubility?

Solubility is Affected by pH
The pH of an aqueous solution can affect the solubility of the solute. If the pH of the solution is such that a particular molecule carries no net electric charge, the solute often has minimal solubility and precipitates out of the solution.

Salvi Peñil

Reviewer

What is meant by solubility product?

The solubility product, Ksp, applies in situations where salts do not fully dissolve in a solvent. The solvent is generally water. A substance's solubility product is the mathematical product of its dissolved ion concentrations raised to the power of their stoichiometric coefficients.

Disney Fauquet

Reviewer

Does stirring affect solubility?

Stirring affects how quickly a solute dissolves in a solvent, but has no effect on how much solute will dissolve. The amount of solute that will dissolve is affected by temperature - more will dissolve at higher temperatures. This is called the solubility of the solute .

Ameur Bogers

Reviewer

Why is a precipitate insoluble?

What is a Precipitate? In chemistry, a precipitate is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from solution is called precipitation. Precipitates can form when two soluble salts react in solution to form one or more insoluble products.

Eutimio Ramanakoppa

Supporter

What will precipitate first?

When two anions form slightly soluble compounds with the same cation, or when two cations form slightly soluble compounds with the same anion, the less soluble compound (usually, the compound with the smaller Ksp) generally precipitates first when we add a precipitating agent to a solution containing both anions (or