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2 MnO4 - (sulu) + 5 H2O2(sulu) + 6 H+ (sulu) 5 O2(g) + 2 Mn2+(sulu) + 8 H2O(l) Baz potasyum permanganat solsyonlar 0,01989 mol/L'de

2 MnO4 - (sulu) + 5 H2O2(sulu) + 6 H+ (sulu) 5 O2(g) + 2 Mn2+(sulu) + 8 H2O(l)

Baz potasyum permanganat solsyonlar 0,01989 mol/L'de standardize edilmitir. ok seyreltik bir hidrojen peroksit zeltisinin 25,00 mL'lik bir numunesi hacimsel bir pipetle bir ieye pipetlenir. 4 mL 4,0 M H2SO4 eklenir. Potasyum permanganat balang hacmi 1,36 mL olan bir bret ierisine konur. Titrasyonun son noktasna ulaldnda (son damla artk renksiz olmaz, bunun yerine tm ieyi soluk pembeye evirir ve 30 saniye pembe kalr), potasyum permanganat zeltisinin seviyesi artk 27,47 mL'dir.

A. Deneyde ne kadar potasyum permanganat zeltisi kullanld?

B. Deneyde ka mol potasyum permanganat kullanld?

C. 25.00 mL zeltide ka mol hidrojen peroksit znmtr?

D. Bu kadar ok hidrojen peroksit molnn ktlesi neydi?

e. Hidrojen peroksit zeltisinin younluu 1,00 g/ml ise, orijinal hidrojen peroksit rneinin ktlesi neydi?

F. Seyreltik zeltideki % H2O2 ktlesi neydi?

Bu soru bir laboratuvar raporundan birebir sorudur. Bu sorun ok kafa kartrc ve herhangi bir yardm ok takdir edilecektir.

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