All Questions
10
questions with no upvoted or accepted answers
5
votes
0
answers
647
views
Is there an adhesive that is not dissolved by acetone?
I am trying to glue glass sheets together to make a sealed 13" x 13" x 13" box. Inside this box there would be acetone gas used to melt 3D printed parts to make them more durable. Acetone will remove ...
- 51
3
votes
0
answers
204
views
How to prevent Tin ions from precipitating as Tin(II,IV) Hydroxides
Alright, so Tin ions in most of it's salts have the propensity to form Tin(II,IV) Hydroxides and then precipitating out of aqueous solutions. What can I throw in the solutions to prevent this? Using ...
- 302
2
votes
0
answers
894
views
Calculating the pH of buffer solution made of two salts of a polyprotic acid
When we are making a buffer solution by solutions of a weak acid and its salt like $\ce{CH3COOH}$ and $\ce{CH3COONa}$, or by a weak base and its salt like $\ce{NH3}$ and $\ce{NH4Cl}$, we can use the ...
- 5,685
2
votes
0
answers
94
views
If a conductivity meter is calibrated with aqueous standards, can it be used to measure the conductivity of an organic-based solvent system?
Trying to figure out if the calibration solutions for a conductivity probe/meter must be of a similar nature to the system which will be measured. I can only find aqueous calibration solutions online, ...
- 99
1
vote
0
answers
2k
views
Buffer solution of NaH2PO4 and Na2HPO4
We have this exercise without solutions
From a 0.2 M $\ce{NaH2PO4}$ solution and a 0.2 M $\ce{Na2HPO4}$ solution, a buffer
solution with pH = 6.8 is to be prepared. The total concentration of
$\ce{...
- 423
1
vote
0
answers
130
views
How to calculate the gas-liquid interaction for dissolved HNO3 in water with air?
Thanks for reading this and (maybe) helping me in advance!
I have to face the following problem:
I have got $\ce{HNO3}$ dissolved in water (roughly $\pu{50\%}$) and I want to know how much $\ce{HNO3}...
- 21
0
votes
0
answers
1k
views
Trichloroacetic acid aqueous solution
I have bought some anhydride of trichloroacetic acid (TCA) and would like to prepare an acidic solution. My problem is, that I don't know how much "powder" to mix with how much water to produce an x% ...
- 197
0
votes
0
answers
1k
views
Will hydrogen chloride dissolved in ethanol react with magnesium?
Magnesium will react with aqueous HCl to form magnesium chloride and hydrogen gas. Simple. But I've just read in my textbook that HCl in a solution of ethanol no reaction will take place. There is no ...
- 165
0
votes
0
answers
470
views
acids, bases, salts, etc
All the chemical compounds can be categorized as acids, bases, and neutral compounds.
There are different theories, namely Arrhenius Theory, Brønsted-Lowry Theory, Lewis Theory, which define the acids ...
- 125
-1
votes
1
answer
340
views
Hydrogen and Hydrogen ion
Is it correct that a hydrogen atom only has 1 electron and 1 proton since the atomic mass is 1?
Also, is the hydrogen ion composed of a single proton and no electrons?
In an ionization process we know ...
- 15