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Kemi

Side 114-115

QuestionAnswer
Hvad er en hydron? Det er et h+ ion.
Hvad vil det sige at have en korresponderende syre/base? Den korresponderende base til en syre, er det stof, som man får når syren afgiver en hydron.
Hvad er pH? Det er en måde at måle hvor sur eller basisk et stof er.
Hvad er en amfolyt? Det er en kemisk forbindelse der er i stand til at opføre sig som både en syre og en base.
Hvad er vands ionprodukt? Opskriv formlen. Det er produktet af de aktuelle koncentrationer af H30+ ioner og OH- ioner. Kv=[H30+]*[OH-]
Opskriv pufferligningen. Hvad kan den bruges til? pH=pKs+log([B]/[S]) Den kan som man ser på ligningen bruges til at beregne pH-værdi.
Hvad er en titrerkurve? Det er et diagram man kan bruge, hvis man vil have bedre indblik i hvor ækvivalenspunktet er.
Forklar mono- og polyhydron syrer. Monohydrone syrer er syrer der kun afgiver 1 hydron. Polyhydrone syrer er syrer der er stærkere og derfor afgiver 2 eller flere hydroner.
Created by: Jens Hermann
 

 



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