A liquid, solid, or gas that dissolves another solid, liquid, or gaseous solute, resulting in a solution that is soluble in a certain volume of solvent at a specified temperature.

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Why is water “the universal” solvent?

An old question that our textbook tried to answer but worsened the situation. Many things are soluble in water. So many, that studying solutions will always require studying aqueous ones. It is true ...
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25 views

Why is hydrogen bonding more significant than any other interaction between dipoles?

Solvents can be categorized as polar and protic. I understand that to be protic there had to be a significantly polar bond involving a hydrogen atom. However, how is the a hydrogen bond different in ...
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How to predict the solubility of an organic compound in different kinds of solvents? [duplicate]

How is it possible to know whether a particular solvent will dissolve in a particular kind of solvent, i.e. organic, polar, protic...? Are there any indicators to look for in molecules or elements ...
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1answer
32 views

Changing diethyl ether (as anti solvent) in a reaction

I want to run a reaction that needs diethyl ether as anti solvent in the last step (comes from articles). But I can't use it due to its harmful effects on the body. Is there any other solvent? My ...
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1answer
22 views

How can a waterproofing material be “water-based”?

I've been trying to determine how a particular waterproofing material, which claims to be "water based", can still be hydrophobic. First of all, the product in question is EPRO ECOLINE-R, which also ...
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1answer
25 views

Which chemicals could be used to dissolve Polybutylene Terephthalate (PBT), but not dissolve brass?

This is for a recycling project, I am looking to recover brass pins from electronic connectors made of glass reinforced Polybutylene Terephthalate (PBT). The objective is to find a chemical which ...
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1answer
35 views

What is the difference between Dielectric and Capacitive Polarizable Continuum Model?

I have good background knowledge on Quantum Chemistry calculations but my knowledge on Solvation Models is not that amazing ! Many times I read a paper that uses TD-DFT, they also assign some solvent ...
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3answers
57 views

Why would a polar PROTIC solvent favor the addition of HBr to an alkene?

I understand that a polar solvent will help dissociate the HBr into ions. But why a protic solvent? Why would we want a solvent that would encage the Br and H ions? Why is the aprotic not favored? My ...
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1answer
108 views

Salt concentration and electrical permittivity of water

We know that the electric flux density $D$ can be related to electric field intensity $E$ as $D=\epsilon(\omega) E$ $\epsilon(\omega) = \epsilon_0 \epsilon_r(\omega) $ where $\epsilon_0$ is the ...
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1answer
35 views

Approach to model solvent in a lattice: e.g. H2O in NaCl

If a lattice contains a solvent, lets say NaCl and water of crystallisation, what is the condition for a solvent molecule to change it's location? From my current point of view I assume that such a ...
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0answers
36 views

What are the uses of a mixture of chloroform and N2 gas?

What are the uses of a mixture of chloroform and $\ce{N2}$ gas? Also, what are the uses of a mixture of camphor and $\ce{N2}$ gas?
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2answers
67 views

How hazardous are peroxide-able ethers if stored properly?

This question is directed towards laboratory scientists and technicians who actually deal with ethers that can develop peroxides upon concentration (e.g. diethyl ether, THF, dioxane). I am already ...
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Grignard: Unreacted Magnesium

A Grignard reagant was prepared from an alkyl halide and magnesium chips, then reacted with a ketone. The resulting solution has been stirring for a few days at low temperature (0-5°C). It's now time ...
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1answer
41 views

What is an effective fabric-friendly solvent for aluminium chlorohydrate?

I have recently found out that the white/yellowish "sweat" stains one occasionally finds on t-shirts might be aluminium chlorohydrate polymers. While talk about aluminium and antiperspirants is all ...
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1answer
30 views

Is there a good sol gel method for carbon nanotube thin film deposition?

I was searching for a sol gel method for deposition of carbon nanotube thin films and there aren't too many articles on that. Does anybody know the reason? Is it because Carbon nanotubes are ...
3
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1answer
145 views

CuI, CuSCN Solubility in Ammonia Solution

I am trying to dissolve copper(I) iodide and copper(I) thiocyanate in ammonia. I am quite sure that they both dissolve in liquid ammonia, and are insoluble in ethanol. If I were to purchase a 2.0M ...
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1answer
238 views

Solvent for copper(I) iodide, copper(I) thiocyanate, silver iodide for HTM deposition; safety for methylammonium lead iodide

I'm a student working in a high school laboratory that is looking to pursue research into perovskite cells for next year, but I have some solubility and safety questions. What would be a good solvent ...
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0answers
15 views

Do organic-soluble enolates made from hydroxides, have the water separate out in phase separation?

If I have an enolate made from a hydroxide, and this enolate salt is soluble in organic solvents, but not soluble in water, then would mixing it into a water-insoluble organic solvent cause the water ...
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2answers
96 views

Best way to clean a gold-plated yoyo bearing?

I have a gold-plated yoyo bearing which needs cleaning. Most people clean regular non-gold-plated bearings with mineral spirits (naphtha), lighter fluid (hexane/heptane), and acetone, but these gold ...
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1answer
50 views

Searching for a solvate that changes its solvation property

I'm looking for a solvate that changes its solvation property when being dried. One example of such a material is gypsum: at temperatures up to 250°C it becomes γ-anhydrite which will slowly hydrate ...
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2answers
112 views

Is this a trick question?

Disclaimer: It has been a very long time since I have done any chemistry. My friend posted this question on social media, I've copy+pasted it here: Exactly 16.0ml of a solution A is diluted to ...
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1answer
1k views

How could alcohol be made into a powder?

In the news recently is 'Palcohol', powdered alcohol, http://www.palcohol.com/home.html that you add to water or existing liquids to make it alcohol. Presumably this would dissolve and break apart ...
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1answer
239 views

Why should one perform an extraction with multiple small portions of solvent as opposed to one large portion?

I'm performing a liquid liquid extraction on a 1 Liter water sample for GC analysis. The procedure calls for 3 extractions with $50~mL$ of $\ce{CH2CL2}$. Would one extraction with $150~mL$ produce ...
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29 views

Does removing solution affect a supersaturated solution

Given a mixture of: a saturated solution of a solute in a solvent together with excess of the solute compound as crystalline material. If one were to change the bulk composition of the mixture by ...
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2answers
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How to separate HCl and NaOH from salt and water solution?

I mean, how can we reverse the neutralization reaction of HCl and NaOH to get back HCl and NaOH. I want to extract HCl and NaOH from a mixture of common salt and distilled water in equal proportions ...
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142 views

Dry ice and acetone

In my organic chemistry class there are several reactions that I've been told are generally conducted at -78 C, which is apparently also the temperature of dry ice in acetone. This is all well and ...
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1answer
98 views

Ester as a solvent

I am curious as to why ester is used often as a solvent in organic chemistry? How is it different that just using water, which is also polar? I'm sorry if this is a basic question, I'm just a student. ...
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1answer
56 views

Are there any significant industrial processes that use liquid ammonia as a solvent?

There are some interesting laboratory reactions that use liquid ammonia as a solvent (for example, the Birch Reduction where an alkali metal is dissolved in liquid ammonia). There have also been some ...
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1answer
379 views

Storing chloroform

I'm going to be aliquoting out ethanol-stabilized chloroform into smaller containers. It's presently in a large bottle sealed with a rubber(y) sheet so I can only draw it out with a needle. My ...
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2answers
7k views

How to calculate molality, molarity and mole fraction given density (g/mole)?

Calculate the molality, molarity and mole fraction of a $\ce{CuSO4}$ in a 17% m/m aqueous solution (density of the solution is 1.367 g/mole) I did .17 * 1.367 to find grams of $\ce{CuSO4}$ and .83 * ...
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1answer
127 views

Absolute limits on solubility of immiscible solutes?

I know that for a particular, immiscible solute, there is a limit on how much of it can be dissolved in a solvent at a given temperature. However, I was wondering if there is only so much "total ...
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1answer
75 views

Solvated solids

I have a very basic question concerning solvation. If a solid (solute) was dissolved in a liquid (solvent), is the solute still in the solid state? or does it convert into another state of matter when ...
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1answer
197 views

Rotary Evaporator Cleaning

I am using a rotary evaporator ('rotovap') in my lab mainly with dichloromethane as a solvent. Usually between experiments I clean the receiving and boiling flasks with a brush using soap and water ...
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1answer
542 views

Solvation effect on cyclohexane

I ran molecular dynamics simulation with a molecule of methylcyclohexane soaked into a water box. On the other hand I ran Monte Carlo with the molecule alone (no soaking). I performed this for the ...
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5answers
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Solving carbon black

I want to remove a layer of 2 mm thick carbon black on a copper bowl on the outside from hanging over wood and coal fire. I have tried different solvents, but the carbon seems to be very resistive. ...
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1answer
811 views

How can one find products when one knows the reagents?

I'm going to use an example (I could have used a different one); On the document it is about the study of the chemical balance of an acid-basic solution. The chemists have written the chemical ...
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1answer
118 views

Is it possible to estimate a substance's water solubility from data like the substance's partition coefficient, dissociation constants, etc.?

If it is possible, how would you estimate a compound's water solubility from data like its partition coefficient, $ \log P $, its dissociation constant, $pK_a $, its molar mass, etc.?
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0answers
48 views

Removing Epoxy Glue from a ceramic piezostack

I am going to stick a strain gauge to the side of an expanding piezocrystal using a basic 2 part epoxy glue. I am eventually also going to be sticking other things to it. Does anyone know a safe way ...
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1answer
135 views

How would you expect organic liquids to behave (details below)? [closed]

Organic liquids A, B, and C have densities of 0.690, 0.955 and 1.126 g/mL, respectively. A and C are low polarity solvents, while B is a highly polar solvent. If each were added to water separately, ...
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1answer
1k views

What is the exact definition of Salinity?

I am a bit unclear on the definition of salinity. I have always thought of it as simply total dissolved ions. Wikipedia seems to agree "saltiness or dissolved salt content" but many other sources ...
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3answers
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How do non-polar substances dissolve in non-polar solvents?

The case of polar solvents is clear to me - we get an attraction between opposite charges. However, how do non-polar substances dissolve in non-polar solvents? How could it be explained on a molecular ...
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2answers
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Why does 9-fluorenone dissolve in hexane?

I know like dissolves like, but I am still unclear. 9-fluorenone has a polar C—O bond. Is it because 9-fluorenone can only form London forces with other 9-fluorenone molecules and hexane can break ...
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1answer
319 views

Understanding dissolution of CO₂ in Selexol and Rectisol

I'm trying to understand pre-combusiton carbon capture processes as described in this presentation. I'm told that solvents such as chilled methanol ($\small\ce{CH4O}$) and dimethyl ethers of ...
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Will alcohol or soap damage plastic or rubber?

I have read conflicting advice on various sites about the appropriate methods for cleaning plastic and rubber items, and would like to ask people who actually know what's going on what they would ...
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2answers
3k views

Why are alcohols with longer chains less polar?

In my self-study, I recently came across the following question: "Choose the solute of each pair that would be more soluble in hexane ($\ce{C6H14}$). Explain your answer. (a) $\ce{CH3(CH2)10OH}$ or ...
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1answer
132 views

How can I identify and neutralize the chemical leaching out of new nitrile gloves?

I have a few cases of brand-new, nitrile gloves of a type and vendor that used to be good. But apparently, the vendor has moved manufacturing to a different country and outsourced customer service to ...
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2answers
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What type(s) of gloves are effective against DCM and acetone?

I know that standard latex and nitrile gloves don't stop common organic solvents such as DCM and acetone. However, I was reading a Reddit thread and there were comments that if you are coming into ...
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1answer
600 views

How would I calculate the Normality of a 0.00167 molar solution of KIO3?

I need a 0.01 N solution of KIO3 to use as a standard in a Winkler titration. The protocol that I am using specifies that this is 0.3567 g L-1, which I have calculated to be 0.00167 M based on 214 g ...
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1answer
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What organic solvents are suitable to use with potassium permanganate?

I'm attempting to oxidize a substance with potassium permanganate and I was wondering what organic solvents I have at my disposal. The compound is soluble in chloroform and ethanol, but obviously ...
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1answer
273 views

Why do biphasic systems of fluorous and organic solvents form?

It's possible to select a perfluorinated hydrocarbon that is immiscible in another organic solvent, forming a distinct phase boundary. Such systems may become miscible at elevated temperature which is ...