Questions tagged [solubility]
For questions related to the solubility of compounds in various solvents, especially in water. Do not confuse with [solutions] or [aqueous-solution].
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Solubility of esters
In my chemistry test, I was asked whether methyl ethanoate, CH₃COOCH₃, is a soluble compound.
The result turned out that methyl ethanoate is actually insoluble. Based on my research, the solubility of ...
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How to clean naphtha of non-saponifiable fats
My dad has been using naphtha to degrease some animal bones, which based on the MSDS is probably some random jumble of hydrocarbons, mostly heptanes. He's trying to be environmentally friendly so he ...
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Solubility of silver chromate in ammonia
Does anyone know where I can find data on the solubility of silver chromate in an aqueous ammonia solution (100 mL) of concentration 2 mol/L at 25 C? Values for different concentration and temperature ...
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If air can be dissolved in water, is water vapour dissolved in air? [duplicate]
If O2 dissolved in water acts like a liquid even though it is a high temperature, then is water vapour in the air "dissolved" as it acts like a gas at less than 100C? Or is there a different ...
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Determining whether precipitation will occur or not and finding the concentration of a specific ion in a solution
The Ksp value of AY2 = 9.148 x 10^-2. I am having problem with calculating the concentration of ions. And without the correct concentration I can't find the Qsp/Kip so I'm stuck without them I can't ...
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Determination of the chloride concentration by the modified Volhardt method
Would someone help me solve a task:
The concentration of chloride ions in aqueous solutions can be
determined by the Volhardt method. An excess of silver nitrate is
added to the sample containing the ...
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What factors cause a few sodium salts to be water-insoluble?
We know that almost all salts with sodium as cation are water-soluble. But there are a few examples where the salt is water-insoluble; such as sodium bismuthate, sodium fluorosilicate, and much more.
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Why is folic acid very slightly soluble in water while it's a B vitamin?
The solubility of folic acid is just 1.6 mg/L (25 °C).
Why is it so insoluble in water while it is one of B vitamins which are called water-soluble vitamins beside Vitamin C?
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If I make CO2 by exposing CaCO3 to HCl, how much of it would be dissolved in the water [closed]
For an experiment we're trying to measure the amount of gas produced in this reaction. But we always find less gas then expected, then a colleague told me that it could be because some of the CO2 ...
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Why have my recent boiled eggs contain water within the membrane?
My wife recently boiled eggs from the grocery. Every single one of the eggs has contained water with in the membrane where the hollow portion of the egg is normally. I have only seen this if maybe the ...
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Solubility of SrF2 in aqueous solution of NaF
This might be really simple question but I have no idea how to proceed to solve such kind of question.
The solubility product of $\ce{SrF2}$ in water is $\pu{8E-10}$. Calculate its solubility in 0.1M ...
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Equilibrium Solubility of CO2 in Aqueous Solution and its Dependence on H3O+ Concentration
The equilibrium solubility of $\ce{CO2}$ in an aqueous solution is given by three chemical reactions:
$$
\begin{align}
\ce{CO2(g) &<=> CO2(aq)}\label{rxn:R1}\tag{R1}\\
\ce{CO2(aq) + H2O &...
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Are all salts completely dissociated in solution when put in smaller amounts than their molar solubility?
From what I understand, the solubility is given in terms of molar solubility (or $\pu{K_{sp}}$), from which it can be easily calculated). Indeed, the saturation point represents the maximum amount of ...
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How can two separate phases interact with each other in an separatory funnel
Hello I was thinking about the following process.
I was working in the lab, and synthesized a chelator for various metals, iron, copper etc.; however, when extracting the mixture with water and ethyl ...
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Scrubbing methanol and ethanol from a gaseous mixture
I have a gaseous mixture (air) at a temperature of approximately 30 degrees Celsius in which the following gases are present:
Oxygen 0 - 25%
Carbon Dioxide 0 - 20%
Methanol 0 - 100 ppm?
Ethanol 0 - ...
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Why my mineral water from different sources do not mixed well? [closed]
Background:
In 8 hours range, I have bought cold mineral water (brand A), then refill the plastic bottle with cold mineral water (brand B) from my office. As far i know, brand B has high pH while ...
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What is the effect of dissolving ammonia in water on hydrogen bonding?
Hydrogen bonding exists between $\ce{NH3}$ molecules. When $\ce{NH3}$ is dissolved in water, I know that hydrogen bonds are formed between $\ce{NH3}$ and $\ce{H2O}$ molecules. However, do the $\ce{NH3}...
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Removing 9-Aminoacridine from tissue?
There's this compound 9-Aminoacridine, that I need removed from the tissue slides it was applied to. Thing is everytime I use ethanol, Acetone, water, methanol, all the usual solvents; our pathologist ...
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Question about solubility of silver halide
In many japanese chemistry books for highschool students, it is written that AgF is soluble in water because compared to other silver halides ionic nature of Ag-F bond is greater.
I don't think this ...
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HPLC Solubility vs polarity
According to this data collected from PubChem, polarity of nitrobenzene and benzonitrile should be similar since solubility is dependent on the polarity:
Nitrobenzene: Solubility in water, 0.2 g/100ml
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Polarity and solubility
I have a doubt about solubility: a molecule is polar when it has a dipole moment that is ≠ 0. Very often it is said that like dissolves like, that is, that polar substances dissolve in polar solvents, ...
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Thermodynamics of borax dissolution
I'm currently experimenting with the dissolution of borax $\ce{Na2B4O7.10H2O}$. The procedure was quite simple, samples of saturated borax at different temperatures are titrated, then the value of $\...
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Decomposition of Al2S3 in water [closed]
Al2S3(s) + 6H2O(l) → 2Al(OH)3(s) + 3H2S(g)
I found this reaction on the web.I am not able to understand why this reaction proceeds from a weaker acid(H2O) to a stronger acid(H2S);contradictory to the ...
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DIY Turbidity Standards?
I am trying to help my high school chemistry class make their own turbidity standards to calibrate the arduino turbidimeters they are making. Last year we tried calcium carbonate as it makes a cloudy ...
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What happens if you carbonate ethanol?
The electronics youtuber bigclivedotcom has an on-and-off-again series where he carbonates various types of alcohol and comments on the taste. One thing he's noticed is that the stronger the alcohol, ...
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Hydrate forms causing complications with gravimetric analysis of ferric phosphate
I'm planning to determine phosphate concentrations in a solution via adding Iron(III) and weighing the precipitated ferric phosphate.
However, I read that ferric phosphate has a dihydrous form, which ...
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What is ionic reaction equation for reaction between carbon dioxide and limewater?
Write the ionic reaction equation for the reaction
\[\ce{Ca(OH)2(aq) + CO2(g) <=> CaCO3(s) + H2O(l)}.\]
I first wrote the complete ionic equation as such:
\[\ce{Ca^2+ + 2 OH^- + CO2 <=> ...
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Insoluble ammonium salts?
Most solubility rules I can find state that "most ammonium salts are highly soluble". I wonder if there are actually any insoluble salts containing the ammonium ion. An answer here states ...
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Does decreasing pH decrease solubility of adipic acid?
I added 3 grams of adipic acid to 150ml deionized water with heating + mixing until it was completely dissolved. This was then boiled and cooled to allow crystals to form. The maximum amount of adipic ...
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Group 2 hydroxide & sulphate solubility [closed]
The trend of solubility down group 2 increases for hydroxides, while it falls for sulphates. Why is that?
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How do solutions act as solvents?
For example:
Silver chloride, $\ce{AgCl}$, dissolves in dilute aqueous ammonia, so this can be used in qualitative analysis, after reacting $\ce{Ag+}$ ions with $\ce{Cl-}$ ions, to differentiate the ...
user129756
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What is meant when the solubility for an ionic compound is listed as "reacts with water"? Does this mean that it cannot form an aqueous solution?
I think my main question/concern really relates to the formation of a product that is listed as "reacting with water" after the combination of two aqueous solutions.
For example, both sodium ...
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Does temperature affect ionic strength?
Hello I apologize if this is a dumb question but if I have a phosphate buffer made up of Na2HPO4 and NaH2PO4 and I gradually increase the temperature (lets say 10,20,30,40,50) what would happen to the ...
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More minerals in seawater at greater depths?
There are lists such as the one below detailing how much of different minerals seawater contains:
https://web.stanford.edu/group/Urchin/mineral.html
(For instance )
Would you expect this to be the ...
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Are there smart materials that dissolve in cold water faster? [closed]
I know things dissolve quicker in hotter solvents but I was wondering if there existed an exception to the rule. If not water, then what about other solvents and/or non-solid solutes?
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When we take baths, how does the water in the bathtub absorb only the dirtiness on our skin?
I'm 16. I study chemistry in college along with biology, physics, and maths, and I have a general interest in all of them.
I always found this interesting: sometimes when I left the bathtub, even when ...
user129756
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Dependence of solubility on pH
I am studying the effect that pH has on solubility of metal salts. One example I came across is the idea that the solubility of $\ce{PbI2}$ is not strongly affected by the addition of strong acid to ...
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What is the maximum number of silver(Ⅰ) ions in one litre of a 0.003 M sodium sulfide solution?
What is the maximum number of silver(Ⅰ) ions that can be present dissolved in one litre of a $\pu{0.003 M}$ $\ce{Na2S}$ solution?
According to my book, silver(I) reacts with sulfide producing $\ce{...
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Why is the precipitate formed after dissolving trimagnesium dicitrate anhydrate?
In my research I try to prepare trimagnesium dicitrate aqueous solution. Initially it stays clear, but after some time white insoluble precipitate is formed. Initial pH was about 4,5-5,0. If pH is ...
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How can the heat equation be used to model temperature vs time in a solubility experiment?
Background:
I am doing experiments trying to map the practical solubility of a certain chemical species called an "activator" solution. This solution is essentially a sequential mixture of ...
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Are solubility product (Ksp) and dissociation constant (Kd) unrelated? [closed]
Dissociation constant can be calculated from the Gibb's energy released by the dissociation, but as best I can tell, there's no way to determine solubility from dissociation constant, as things can ...
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Why does silver react preferentially with chlorine instead of chromate?
Mohr's method of precipitation titration relies on the fact that silver reacts preferentially with chloride ions instead of chromate ions in solution. When I searched up why this is true, the only ...
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How to calculate the solubility for the hydrogen concentration based on the pressure and temperature in the Metal Hydride Hydrogen compressors?
My name is Ketan Karkare and I am a student in the University. I am currently working on the metal hydride compression and have gone through the following paper: Mathematical modeling for the PCT ...
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Find the added volume of HCl so that the ions separate
Suppose we have a 10mL solution that contains 0.02M $\ce{Ag^+}$ and 0.04M $\ce{Ba^{2+}}$. a) Find the necessary volume to be added of $\ce{HCl}$ to separate all the silver. (Assume to be separated if ...
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MgSO4 is soluble while BaSO4 isn't, what's the role of Lattice energy here? [closed]
I came across a question asking the reason behind
MgSO4 is soluble while BaSO4 is insoluble in H2O
Now, I know
Solubility has inverse relation with Lattice energy. While Lattice energy is more when ...
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Solubility of pyridine and pyrrole in water
Pyridine and pyrrole are two of the first aromatic heterocycles encountered in organic chemistry. Recently, I was surprised to find that their solubility properties are vastly different.
The website ...
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Find the minimum concentration so that it doesn't precipitate
Calculate the solubility of silver chloride.
a) in pure water
b) Calculate the minimum concentration of ammonia that prevents precipitation in a solution that
contains $0.1$ mol of AgNO3 and $0.01$ ...
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Making a super-eutectic
A eutectic system is a mixture of substances which has a lower melting point than any of it's components. For example salt to melt ice. Also, a eutectic has the right mixture of components so that it ...
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How do I find the minimum amount needed for precipitation?
I want to calculate the minimum amount of solid barium nitrate (g) needed to be added to $\pu{50mL \text{of} 0.05mol/L}$ sodium hydroxide in order to cause precipitation.
My attempt:
$$\ce{2NaOH(aq) + ...
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I have liquids A,B, and C. B is soluble in both A and C, but A and C are insoluble in each other. If I add B to A and C, what happens? [closed]
My AP Chem class was doing a solubility lab, and I thought of something but did not have substances that fit the parameters to try it. I have three liquids, A,B, and C. A and C are insoluble in each ...
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