All Questions
Tagged with ionic-compounds solutions
15
questions
-2
votes
2
answers
95
views
Are mixtures of finely ground solid fertilizer compounds stable? [closed]
If I had a combination of the following as finely ground powders, would it be relatively stable, or would they react to form other compounds?
Sodium Nitrate
Ammonium Nitrate
Calcium Nitrate
Potassium ...
-1
votes
1
answer
787
views
Safely removing sodium hypochlorite crystals from hard-to-reach surfaces
I have a small bathing whirlpool which wasn’t used for over ten years. It is built into the ground and I cannot reach the disinfectant container to replace it with a new one. I can access the fill-...
- 9
-1
votes
1
answer
458
views
Balancing a chemical reaction with oxidation numbers
We have been teached how to balance chemical reactions with oxidation numbers in school, but somehow I can't understand it.
This is the equation to balance
$$\ce{Cu(s) + NO3−(aq) + H+(aq) -> Cu^2+(...
- 7
1
vote
1
answer
59
views
Isn't my book doing this problem about ionic product wrongly?
Problem:
After adding a $\pu{150 mL}$ $\pu{6.7\times10^{-5} M}$ $\ce{NaOH}$ solution to a $\pu{100 mL}$ $\pu{2.5\times10^{-5} M}$ $\ce{FeCl2}$ solution, green colored $\ce{Fe(OH)2}$ precipitate is ...
user60158
2
votes
2
answers
7k
views
Why are entries missing on a solubility data chart for ionic compounds? [closed]
There is a solubility chart in my college chemistry class text for "Solubility of Ionic compounds in water". I have copied and pasted image of chart below. I was surprised to find a dozen ...
- 357
0
votes
1
answer
115
views
Calculating concentration of OH⁻ ions [closed]
Calculate concentration of $\ce{OH-}$ ions in $\pu{0.66 mol L^-1}$ solution of $\ce{NH4+}.$
I think that there might be something missing, as the only law I have for this kind of problems is
$$[\ce{...
- 17
7
votes
1
answer
13k
views
Is calcium chloride an acidic or basic salt?
What I reason:
Calcium chloride is the salt of hydrochloric acid and calcium hydroxide. Calcium hydroxide is usually not considered a strong base, and I believe this is because of it's low solubility. ...
- 165
2
votes
0
answers
122
views
How to interpret the shape in this representation of an electride?
This excellent answer describes the appearance of solvated electrons in ammonia as first a blue, and then metallic color. It is produced by dissolving sodium in ammonia at low temperature. According ...
- 5,900
4
votes
1
answer
497
views
Why does the conductivity of a LiOH solution decrease when boric acid is added?
If I start with pure water and add $\ce{LiOH}$ the conductivity of solution increases. However, if I then dissolve boric acid in the same solution the conductivity falls. I would have thought adding ...
- 73
1
vote
1
answer
2k
views
How do hydrogen bonds break the ionic bonds of a crystal lattice? [duplicate]
In the case of water dissolving sodium chloride. I was under the impression that hydrogen bonds were much weaker than the ionic bonds in sodium chloride, so how do they overcome the ionic bond ...
- 51
1
vote
1
answer
15k
views
Why do non-polar covalent compounds dissolve in non-polar covalent compounds only?
My textbook says that electrovalent and polar covalent compounds dissolve in electrovalent compounds and polar covalent compounds but not in non-polar covalent compounds. I understand the reason for ...
- 775
2
votes
1
answer
2k
views
Melting point of ocean salt: eutectic?
I'm interested in the melting point of ocean salt. While sodium chloride has a melting point of 801 °C, ocean salt contains 15 % other ions, mainly sulphate, magnesium, calcium and potassium (the ...
- 1,220
1
vote
1
answer
119
views
Solubility determination of Ca(OH)₂ in water
In one problem it's asking me to find the solubility of $\ce{Ca(OH)2}$ in water. In that problem it assumes the starting concentration $\ce{OH}$ to be zero. But for other problems like $\ce{BaSO4}$ in ...
- 749
10
votes
2
answers
3k
views
Solubility of gold salt solution?
I was wondering what salts of gold are soluble and which are insoluble. From what I understand, silver is soluble as silver nitrate but insoluble as most other common salts like chlorides and ...
- 1,697
0
votes
2
answers
14k
views
Chemical Equation: Sulfuric acid and powdered sodium carbonate
I was asked to write a balanced chemical equation for the reaction between sulfuric acid and sodium carbonate. The balanced equation isn't the problem. The question asks to also show all the state ...
- 69