Question Metüülviolett PH-paberi lõplikus

metimmy

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Tere, kas keegi saab mind aidata, esimest korda saan lõppastmes punase asemel violetse PH-paberi.
mida ma saan teha?
 

Dr. MMX

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millega te seda mõõdate?
 

metimmy

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metafreebaasi happesus või leelisus
 
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