All Questions
Tagged with aqueous-solution inorganic-chemistry
252
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Zinc Picolinate - Positive, negative or neutral charge?
I'm going to be using a finings agent with a positive charge to remove negative trub from a solution (beer).
I would like to keep some chelated zinc in the solution - ideally zinc picolinate - so ...
7
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5
answers
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How to dissolve steel without affecting aluminium alloy
Disclaimer: I have very limited knowledge of chemistry
My problem is the following: I have motorcycle part made from some sort of Aluminium alloy - most probably 6005, 6061-T6 or 7005. And inside of ...
5
votes
2
answers
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Problems with precipitation of transition metal solution
I am trying to make a solution of "trace elements"--primarily transition metals-- for use in biological media; bacteria require elements like Cobalt, Molybdenum, iron, etc. in trace amounts. I am not ...
3
votes
1
answer
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Reasons behind the different colors of a solution containing Iodine
Q) Iodine dissolves in a variety of solvents, forming solutions that are
purple, brown or any intermediate shade. This property is due to:
Hydrolysis of iodine
Formation of crystalline adducts
Charge ...
6
votes
1
answer
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Can I synthesize iron acetate like this?
The oxidation state of the iron doesn't matter too much; I am just trying to make an attractive red-brown ink. Here are some instructions I prescribed to a friend.
Here's an approximately decent ...
4
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4
answers
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Why is zinc deposited on copper when boiling an aqueous zinc sulfate solution?
I did an experiment where I dissolved 30 grams of zinc sulfate in water and boiled it with strips of solid zinc metal and strips of copper metal and a layer of zinc was deposited on the copper.
I ...
1
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2
answers
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How is iron(III) chloride changed from solid to solution?
I'm conducting an experiment using iron(III) chloride in aqueous solution, but am also aware that it's usually a solid.
How is iron(III) chloride experimentally converted to a solution?
And can you ...
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Why Add Salt to Vinegar to Clean Pennies? [duplicate]
One common cure for dirty pennies is to put them in vinegar and salt. The vinegar should react with the copper oxide on the penny in the following way:
$\ce{2CH3COOH + CuO -> (CH3COO)2Cu + H2O}$
...
6
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2
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Separating NaClO from its aqueous form in bleach
I was wondering, can I separate the $\ce{NaClO}$ from the $\ce{H2O}$ in bleach. The decomposition point for $\ce{NaClO}$ is $374.14\ \mathrm{K}$, so I'm risking decomposing the compound if I do simple ...
8
votes
2
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Which species dissociate completely in ionic equations?
I am tasked with writing a molecular equation, an overall ionic equation, and a net ionic equation for the reaction between an aqueous solution of phosphoric acid, $\ce{H3PO4{(aq)}}$ and an aqueous ...
3
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2
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Why doesn't water play a role in reactions in aqueous reactions?
$$\ce{Ba(NO3)2(aq) + Na2CO3(aq)}$$
In the above reaction both the substances are in water, however water plays no role in the reaction. Why is it that although water is present in the reaction, it ...
8
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2
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How to understand this form of writing the solution: (some salt • n H₂O)?
For example — "high purity chloride salt of Zinc $(\ce{ZnCl2.2H2O})$" or "various concentrations of $\ce{FeCl2.4H2O}$". What does the number before $\ce{H2O}$ mean?