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 nitrogen in water

We know that nitrogen gas is non polar and water is a polar compound. Nitrogen gas reacts very little in water as it is non polar. But why does it even react that much? I know that it is due to π-...
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How can I make AgNO3 more basic?

Is there anything that I can add to the AgNO3 solution that will make it more basic without forming a precipitate such as reacting with OH or HCl? Please be more specific and give an example.
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What is the solubility of d-Glucose in water as a function of temperature?

I can't find solubility of d-Glucose in water as a function of temperature. I.e. a function that can tell me that at 35 Celsius the maximum amount of d-Glucose that can be dissolved in 100g water is ...
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50 views

Chemical equilibrium — why multiplication, rather than addition? [duplicate]

Why do we multiply (and not take the sum) the concentration of products and reactants when more than one entity is present in either side and rise the power to the coefficient term? Suppose either $$...
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3answers
129 views

Is there any difference between getting dissolved and getting dissociated?

In the context of electrolytes only, is there any difference between electrolyte getting dissolved and electrolyte getting dissociated? According to my professor, they are different. He says a ...
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What is the best method to seperate phenol and benzoic acid? [closed]

Question: What is the best method to separate phenol and benzoic acid? I know that The phenol and Benzoic acid can be separated via their varying solubility, by heating the mixture in H2O to dissolve ...
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1answer
15 views

Heterogeneous ion solution

I am a college student and for my chemistry of solutions class, I had a lab where we had to titrate orange juice to check the calcium content. However, the experimental results are 20% off the ...
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24 views

What are some possible classification tests that one can use for o-nitrobenzoic acid?

I have analyzed an IR spectrum and found out that my compound (o-nitrobenzoic acid) has a nitro group, carboxylic group, and benzene ring. I was curious to know: if regioselectivity effects the ...
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How would you describe the energy of solution formation involved in the dissolution of sodium chloride in vinegar?

I have found that the lattice energy of dissolving salt in water is 779 kJ/mol. While 774 kJ/mol is its hydration energy. Subtracting the two values gives a positive number therefore dissolving table ...
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1answer
19 views

Seeing solubility in various cases

[![enter image description here][1]][1] Question is in the image 'match' each option having multiple answers. I have invested a considerable time over this but couldn't solve it. Anyone explaining how ...
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Question on Henry's law, Carbon dioxide in soda can [closed]

Solubility of CO2 at 20 degree Celsius and 1 atm is equivalent to 87.8 mL/ 100 mL water. Suppose the partial pressure of CO2 before opening a can of coke was 2.5 atm, calculate the molarity of CO2 in ...
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39 views

Discrepancy between the apparent volume of the solution and the volume of the solute arising from the definition of solubility

I have solubility $s$ given in $\pu{g/mL}.$ I understand this as mass of solute $m$ divided by volume of solvent $V.$ But how about the volume of the resulting solution? I read online I should pour ...
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Would the hydrocarbon gas dissolve in gelled oil based drilling mud (OBM)

I am an oil well integrity engineer. Need help in understanding gas solubility in oil-based drilling mud (OBM) when the mud is gelled. Normally, oil based mud is an emulsion, where continuous phase ...
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Calculating the solubility of cuprous iodide

I am clearly missing something obvious here. I get the $\mathrm{K_{sp}}$ from the CRC for $\ce{CuI}$ as $1.27\cdot10^{-12}$. So, $\ce{CuI-> Cu+ + I-}$ So the formula ought to be $$\mathrm{K_{...
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Why is it not practical for insoluble salts to be prepared from other insoluble salts? [closed]

My textbook says that it is not practically feasible to make insoluble salts (say PbSO4) from other insoluble salts (say PbO), without explicitly mentioning the reason for the same. My guess is: if ...
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2answers
114 views

Solubility Of Benzoic Acid [closed]

Why is benzoic acid well soluble in benzene (and other unpolar solvents, see e.g. wikipedia). What causes the hydrogen bonds in the solid to break? Something (i.e. polar and ionic substances) is ...
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1answer
20 views

Does PEO particle size decrease when dissolved in water?

I am looking to make metallic ink for inkjet printing and using PEO 1 wt% (MW ~600,000) as a binder. The print head I am hoping to use has a nozzle diameter of 80 microns. The metal powder dispersed ...
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Are Hansen solubility parameters available for technical metals and alloys?

Are Hansen solubility parameters available for technical metals and alloys (e.g. aluminium, cast iron, different steels)? Hansen solubility parameters are available not only for solvents and polymers ...
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1answer
43 views

Are Hansen solubility parameters available for inorganic salts or ionic molecules?

Are Hansen solubility parameters available for inorganic salts or ionic molecules (e.g. potassium oleate, potassium stearate, sodium dioctyl sulfosuccinate (AOT), sodium dodecyl benzol sulfonate (SDBS)...
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89 views

Trends in solubility of group 2 nitrates

In my lab report, we are required to explain the trends in solubility of group 2 salts, going down the group. I had explained all of the trends except one, group 2 nitrates. The following is the data ...
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72 views

How to dissolve salicylic acid into a solution with humic acid [closed]

I'm not a chemist but I am trying to make a product to be used as a foliar spray on turfgrass for my own use. The product I'm trying to make is: 12% Humic acid ($\mathrm{pH =}$ 3.5-4.0) 2% Fulvic ...
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63 views

Reason for Exothermic reaction? [closed]

Why dissolving sodium hydroxide in water is an exothermic process. What causes the evolution of heat when dissolving sodium hydroxide in water?
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Solubility and wetting of substances in water [closed]

We have seen that, when we pour salt in water then it gets dissolved, that means it is soluble in water. But when we pour sand into water then it doesn't dissolve in water, that means it is insoluble, ...
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What's a non-toxic flavorless water-soluable chemical I could use for freezing point depression when making ice cream?

I'd like to make a savory version of ice cream. So I can't use sugar or any artificial sweeteners for the freezing point depression needed to control ice crystal sizes. What can I use?
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Looking for color changing reaction to track snow layer depth

I'm trying to find a chemical to mark the position of a snow layer with for detection in future seasons. The substance has to be: 1. Colorless 2. Not water soluble/solid 3. Stable for multiple years ...
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44 views

Contradictions in acidity and solubility of phenol derivatives

o-Nitrophenol is less acidic in comparison to p-nitrophenol due to intramolecular hydrogen bonding. This effect also is the reason for o-nitrophenol being less soluble in water. At the same time, ...
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128 views

Can ionic compounds dissolved in organic solvent conduct electricity?

Ionic compounds dissolved in water, as an aqueous solution, can conduct electricity. Can they conduct electricity if they are dissolved in organic solvent?
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31 views

Is there a name, or any specific jargon for a precipitation equilibrium involving a solid reactant?

Let's say you have some ions in solution, for example Na+(aq) and OH-(aq), and some partially dissolved solid, MgCO3(s), Mg+2(aq) and CO3-2(aq), which precipitates Mg(OH)2(s) until equilibrium. So ...
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113 views

Will NaF + CaCO3 precipitate much CaF2?

If I mix sodium fluoride, calcium carbonate powder, and water, under what conditions (if any) would there be an equilibrium? I.e. assume we start out with fully dissociated $\ce{Na+(aq) + F-(aq)}$, ...
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56 views

Polymers which are miscible in oil

Can someone suggest me a list of polymers or some paper where I may find polymers that are soluble in oils like silicon oil, mustard oil, coconut oil, bean oil or petroleum ether, etc.?
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223 views

What is the relation between solubility and thermal stability? [closed]

The thermal stability of alkaline earth metals increases down the group for hydroxides i-e., Be(OH)2 is less stable than Ba(OH)2. The solubility also increases down the group for these compounds i-e., ...
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Does brewing tea with hard water reduce the amount of bioavailable fluorine?

I read that brewed tea contains a relatively large concentration of Fluorine. Fluorine can have negative health effects such as Skeletal Fluorosis. EDIT: I understand some Fluorine is necessary and ...
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63 views

Can the solubility of a compound be used to estimate the degree of separation of a solute from a solution?

I'm confused exactly on how to use the concept of solubility to get the amount of separation from a certain solute in the solution. This arises from attempting to solve a problem regarding this ...
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How does ammonium chloride increase the solubility of magnesium hydroxide in water?

In my textbook it is written that $\ce{Mg(OH)2}$ is slightly soluble in water, and it forms a milky solution which is called "milk of magnesia". Its solubility can be increased by the addition of $\...
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Comparison between solubility of amines and alcohol [duplicate]

Why are alcohols more water soluble than amines for similar molecular weight. I know this is a duplicate question . The reason i posted it again was that on the original question i posted my answer ...
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1answer
88 views

Why is Pyridinium Chlorochromate soluble in organic solvents?

I would presume that Pyridinium Chlorochromate is not organic soluble due to the relatively strong ionic bonding between the anion and cation on account of their similarly large size. Although the ...
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1answer
75 views

Finding the concentration of each ion in saturated solution of lead(II) hydroxide

Question If the solubility of $\ce{Pb(OH)2}$ is $\pu{0.155 g/L},$ then the concentration of each ion in a saturated solution of $\ce{Pb(OH)2}$ is A. $[\ce{Pb^2+}] = \pu{0.155 g/L}$ and $[\ce{...
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How to calculate the amount of sodium sulfate needed to lower the silver ion concentration of a saturated silver sulfate solution?

How many moles of $\ce{Na2SO4}$ we have to add into a saturated $\pu{0.5 L}$ solution of $\ce{Ag2SO4}$ so that the concentration of $\ce{Ag}$ is $\pu{4.0 \times 10^-3 M}$? ($K_\mathrm{sp} = 1.4 \times ...
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Why are alkali metal compounds like sodium hydride or sodium amide strong bases but weak nucleophiles?

I understand why compounds such as $\ce{NaH}$ or $\ce{NaNH2}$ are weak nucleophiles: as they aren't very soluble in organic solvents, they react only on the clusters' surface. But why are they strong ...
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Calculating equilibrium concentrations of silver and halide ions

$\pu{500 ml}$ of $\pu{0.01 M}$ $\ce{AgNO3}$ is mixed with $\pu{500 ml}$ of solution containing $\pu{0.1 M}$ $\ce{NaCl}$ and $\pu{0.1 M}$ $\ce{NaBr}$. $K_\mathrm{sp}$ of $\ce{AgCl}$ is $10^{-10}$ and $...
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57 views

Methods to increase the speed of dissolving potassium sulfate in water apart from heating, grinding or shaking

I bought potassium sulfate to be used as a fertilizer. The fertilizer comes in the form of small pebbles 1-2mm in diameter. Wikipedia states that the solubility is around 111g/liter at 20°C. I ...
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57 views

Why is CO2 more likely to dissolve in a basic solution than an acidic solution? [closed]

I'm having trouble thinking through this problem. I know that when $\ce{CO2}$ dissolves in water it can release $\ce{HCO3-}$ and $\ce{H+}$ and cause a drop in pH. But can I use this to justify why $\...
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What formula allows adjusting balance of (Ethyl Alcohol / Water / Caffeine powder) to know concentration for the Caffeine solution?

I am experimenting with different levels of concentrated caffeine solution. The solution has a small percentage of ethyl alcohol, in the $\ce{H2O}$. Problems encountered too much ethyl alcohol ...
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Can anyone please explain the statement on solubility and precipitation [closed]

"It is because of high solubility product of Mg(OH)2 as compared to that of MgCO3 that Mg(OH)2 is precipitated." Can anyone please explain the statement.
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Is it possible to put wax or PE or any kind of insoluble coating on soluble material (e.g. edible film)? [closed]

I'm working on a project to make a cup that can holds hot/cold water inside but can be dissolved from the outside. I'm just wondering if that would be possible scientifically??
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56 views

Solubility of Lead in water from leaded pipes in Roman aqueducts

Lead can undergo the following reactions when cold and hard water passes over it: $$\ce{Pb^2+ + 2Cl- -> PbCl2}$$ $$\ce{Pb^2+ + SO4- -> PbSO4}$$ All these salts are sparingly soluble in water ...
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62 views

Can compounds dissolved in different miscible solvents react?

For example, can crystal iodine dissolved in ethanol react with sodium thiosulfate dissolved in water when mixed together?
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69 views

Calculating the Ionic strength of sodium acetylsalicylate

With the addition of aqueous NaOH to an aspirin solutions in water the reaction will yield products of sodium acetylsalicylate and water. I would like to measure the amount of sodium apsirin formed ...
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1answer
51 views

Medroxyprogesterone [closed]

Hi, I have a question regarding my university assignment. In this case; it’s medroxyprogesterone. We all know that it’s a hydrophobic drug, hence, we are assigned to create a sterile injection in ...
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28 views

Carbon Capture Absorption with Henry's Law

Assume the Henry’s coefficient for water at $\pu{20 °C}$ is $\pu{1.6E8 Pa}.$ What is the mole fraction of $\ce{CO2}$ that will be dissolved in water assuming that it is at equilibrium with a flue gas ...

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