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Fklmh e.V.   ›   FKLMH-Fachbereiche   ›   Reinigung/Desinfektion   ›   Umrechnung NaOH 1/3 N auf 0,1 N ???

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Umrechnung NaOH 1/3 N auf 0,1 N ???
AdministratorSaftschubse
FKLMH e.V. Mitglied
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Registriert seit: Jun 2000
Beiträge: 1.058

#1
13.12.2006, 20:04
Hallo Zusammen,

heute mal eine etwas

chemische Frage: :nixwiss

Die Konzentration der sauren Reinigungslösung soll per

Titration ermittelt werden. Es sollen 10 ml Lösung mit 0,1 N NaOH titriert werden

(Farbumschlag Phenolphthalein). Verbrauch in ml * Faktor = Gew.% bzw. Vol.% (je nach

Faktor).

Wir haben nur 1/3 N NaOH in Gebrauch und für diese wöchentliche Titration

will ich nicht unbedingt noch 0,1 N NaOH anschaffen.

Nachdem es 0,33333 N NaOH ist,

kann ich schlecht 3,33333 mal so viel saure Reinigungslösung vorlegen, so "krumme" Pipetten

gibt es ja gar nicht!

Kann ich den Verbrauch an NaOH einfach (per Dreisatz 1/3 * x =

0,1) mit einem zweiten Faktor (in diesem Fall 0,3) multiplizieren?? :hm


So

richtig schlecht war ich in Chemie zwar nicht und ich glaube auch, dass meine Rechnung

richtig ist, aber wozu habe ich Euch??


DANKE!!!!!!!
Saftschubse
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Nachrichten in diesem Thema
Umrechnung NaOH 1/3 N auf 0,1 N ??? - von Saftschubse - 13.12.2006, 20:04
[Kein Betreff] - von Andrea - 14.12.2006, 08:33
[Kein Betreff] - von Anton - 16.12.2006, 13:05
[Kein Betreff] - von Saftschubse - 18.12.2006, 19:23
[Kein Betreff] - von Saftschubse - 08.01.2007, 20:46
[Kein Betreff] - von Anton - 10.01.2007, 18:33

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