How do I compare two acid formulas and find out which is stronger?

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>>7649777
compare the H atoms to the OH
the more H a solution has the more acidic
the more OH it has the more basic

then there are chemical buffers that keep things close to 7 but that's for organic chemistry :^)

http://www.shmoop.com/acids-bases/acid-strength.html

>>7649777
You're asking two different questions. Acid strength has to do with its dissociation, and reacting with a salt is just a separate reaction with the conjugate base and the ions of the salt.

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>>7649791
He is asking if I were to give you a diagram of any molecule could you count the H and OH and see which number is bigger. distilled water has a pH of 7 because there are equal amounts of H and OH so it being distilled is irrelevant.

>>7649799
That's... a really odd way to explain that concept.

So, no you can't do that.

>>7649783
more like pool chemistry

>>7649783
Thanks!

What if there is no O like HCl?

Is there a math formula that I can use by counting H-s and O-s and a case for when there are no O-s.

>>7649811
I'm not that guy, but you can't determine acidity by counting H's and OH's of a molecule.

I think he was referring to in a solution, where that is true.

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>>7649802
Passed Chemistry with a C with a German teacher who was triggered by me wearing a Russian hat to school erryday and made me take all my tests alone in the testing center.

>>7649807
Never owned a pool.
>>7649811
HCl is Hydrochloric acid. if it begins with H it is always an acid.
the O would combine with the H and make a neutral solution

O + HCl = OH + Cl

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>>7649813
pic related

>>7649777
What am I reading in this thread

OP, the relative strength of an acid is based on how easily the acidic proton dissociates with the conjugate base. Easier dissociation=stronger acid. HCl will 100% dissociate, whereas CH3COOH will not (only about 1-2% in water at 25 C)

What information are you given to solve the problem? Because you can answer this from several different perspectives, e.g. bond strength between A- and H+

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>>7649816
Also when you are only adding Oxygen that just means you are heating the solution

It's called a combustion reaction.

>>7649822
Oxygen ain't the only thing capable of oxidizing

>>7649823
Oxygen oxidizing.
Dafuq

>>7649777
Electronegativity, resonance, hyperconjugation, sterics - all these things affect how acidic a molecule will be in solution and it is not necessarily obvious from a structure how acidic something will be until you have some experience with it. Just learn the 7 strong acids that are usually taught and everything else is weak.

>>7649820
The problems are random acid + salt reactions. I don't exactly remember the rule there and can't look it up right now, but part of it was checking if one acid is stronger or weaker than the other. Couldn't figure out how to check that.

i.e when I want to know if HCl is stronger than H2SO3, then what do I do?

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>>7649827
This German teacher thought I sounded like a retard when I warned the class to never mix bleach and ammonia in the toilet.
>>7649829
>>7649827
This is some common core level of techinical jargon

something is acidic if it has single bonded hydrogen
something is basic when it has a single bonded oxygen
it dosn't matter if the field in the holographic universe

>>7649829
Look up some Ka values. HCL won't have one because it's a strong acid. H2SO3 will have one because it's a weak acid.

If you have two weak acids, the stronger acid has a bigger Ka value.

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>>7649838
single bounded hydroxide my bad
hydroxide is just the fancy term for OH

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>>7649838
>something is acidic if it has single bonded hydrogen

No? Pic related

>>7649839
Thanks! This solved it.

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>>7649841
Looks acidic to me.

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>>7649839
HCl is a strong acid because it has no oxygen
H2SO3 is a weak acid because the acid to oxygen ratio is lower I can do this all day.

>>7649848
Alright, you win.

>>7649777

This is one of the hardest questions in O Chem tbqh. Depends on several opposing factors, and usually you can only tell which dominates by experience.

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>>7649849
This is a victory for /sci/

https://www.youtube.com/watch?v=1oMTBQAki_c

>>7649838
This post is mostly nonsense.

>>7649851
Don't worry about it. Mine was a highschool question and there are only some 10 different acids in the tests. Anon gave me a keyword 'Ka' value, so I googled it, found a table listing common acids by strength and the solution is to just memorize what is stronger.

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>>7649853
It is if you didn't learn anything in this thread.

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>>7649857
That's like planning a vacation by memorizing all of the streets in the county.
Learn the basics first then move your way up the field ladder.
You might as well learn computer programming by reading SICP

>>7649865
You guys are bit of a cunts here. Perhaps this is why your chemistry teacher hated your guts and it wasn't because of your super cool hat that she was jealous about.

>>7649865

Dude just wants to do well on his test, the intuition can come later.

>>7649866
>>7649867
Sorry, too many smug anime faces.
I am getting what I can only call a combat high from this stuff. (Buddhists call it dao or "The in the moment feeling.")

>>7649865
>You might as well learn computer programming by reading SICP
B-but 4chan told me thats exactly what I should do

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>>7649885
https://www.codecademy.com/en/

>>7649916
https://www.youtube.com/watch?v=iY57ErBkFFE

>>7649826
what are you trying to say? Fluorine is a stronger oxidizer than Oxygen

>>7649848
>HCl is a strong acid because it has no oxygen
>H2SO3 is a weak acid because the acid to oxygen ratio is lower
You didn't really post this, did you?

>I can do this all day.
And you'd still be wrong.

As a chemistry major, the amount of retardness in this thread is unfathomable.

OP there are only 6 strong acids you need to worry about and the rest should be considered weak:
HCl
HBr
HI
H2SO4 (HSO4 is weak though!)
HNO3
HClO4

>>7649799
Nope. doesn't work for things that don't make hydroxy bases. Just read your book man, compare the damn conjugates

>>7649816
>passed chem with a C
that is painfully obvious. you dont know shit about chemistry and should stop posting as if you do

>>7649820
This guy's got it.

God damn it people. An acid is stronger if its conjugate base form (aka deprotonated structure) is more stable. Compare the conjugate base structures of the two acids you're looking at. Things to consider:

Resonance- more resonance structures, more stable
Conjugation- alternating double bonds, these add stability
Separation of charges- self-explanatory

In the example of HCl as a strong, acid, Cl- is pretty damn stable because its electron shell is full, and Cl is already electronegative as fuck. Also consider the strength of the H-A bond.

>>7649844
Methane is one of the least acidic molecules that you talk about in chemisty

>>7650276

>Not including HClO_3 as a strong acid.

You pleb.