perhitungan PERMANGANOMETRI
1
Redoks - Permanganometri Laboratorium Dasar Teknik Kimia I A- 2 LEMBAR PERHITUNGAN PERMANGANOMETRI 1. Standarisasi KMnO4 dengan Na2C2O4 N Na2C2O4 = 0,1 N V KMnO4 = 1,8 ml V Na2C2O4 = 10 ml = 2. Kadar Fe dalam sampel BEzat = Mg zat = ml titran . N titran . BE zat = 2 . 0.55 . 28 = 30,8 mg mg sampel = 3,8 gr = 3800 mg Kadar = = Kadar asli = 0,041% %eror = .100% =
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PRAKTIKUM DASAR KIMIA
Transcript of perhitungan PERMANGANOMETRI
Redoks - Permanganometri
Laboratorium Dasar Teknik Kimia I A- 2
LEMBAR PERHITUNGAN
PERMANGANOMETRI
1. Standarisasi KMnO4 dengan Na2C2O4
N Na2C2O4 = 0,1 N V KMnO4 = 1,8 ml
V Na2C2O4 = 10 ml
=
2. Kadar Fe dalam sampel
BEzat =
Mg zat = ml titran . N titran . BE zat
= 2 . 0.55 . 28
= 30,8 mg
mg sampel = 3,8 gr = 3800 mg
Kadar =
=
Kadar asli = 0,041%
%eror = .100%
=
