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pH equations and help Options
 
Du57mi73
#1 Posted : 7/18/2013 2:13:21 AM
Can anyone help me by telling the equation to know what the pH of a solution is? And if you know it can you help explain it. I have no ph strips and no electronic one. Please help
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Parshvik Chintan
#2 Posted : 7/18/2013 3:31:32 AM
if you follow the instructions of the tek to the letter, it should give you the appropriate ph
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Du57mi73
#3 Posted : 7/20/2013 8:36:05 AM
I am not following a "tek". I never have. I just was wondering what eqution was to figure out what the pH of a solution was.
"I am cursed by the blossoming knowledge of my feminine ideal and she looks suspiciously like you."

"Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid." -AE
 
Mindlusion
Extreme Chemical expertChemical expertSenior Member
#4 Posted : 7/20/2013 11:35:24 AM
pH isn't an equation,

p is used to show the -log of something

pH = -log[concentration]
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Infundibulum
ModeratorChemical expert
#5 Posted : 7/20/2013 1:24:07 PM
Du57mi73 wrote:
Can anyone help me by telling the equation to know what the pH of a solution is? And if you know it can you help explain it. I have no ph strips and no electronic one. Please help

there is no equation to give you the pH of complex mixtures such as the one's found in extractions. Either buy a pH meter or just go by feeling:

If you add acid, stuff will be acidic.

If you then add base, it will get less acidic and more basic. and If you add more base it will get basic enough. And if you add a bit more base then you can be sure that everything will be definitely based properly.

OR follow a tek as Parshvik Chintan suggested - at least to the amounts of acid and bases are used if you're a die-hard antitekkist.




Need to calculate between salts and freebases? Click here!
Need to calculate freebase or salt percentage at a given pH? Click here!
 
 
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