appendiks permangano
Post on 24-Dec-2015
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Apendik
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APPENDIKS Membuat Larutan KMnO4 0,1 N
KMnO4 K+ + MnO4-
MnO4- 8H+ + 5e- Mn2+ + 4H2O
N = M*e0,1 = M*5
M = 0,15
= 0,02 M
M = grMr
×1000V
0,02 = gr
158 ×10001000
m = 3,16 gram
Membuat Larutan Oksalat 0,1 N
H2C2O4 2H+ + C2O42-
N = M*e0,1 = M*2
M = 0,12
M = 0,05
M = grMr
×1000V
0,05 = gr
126 ×10001000
m = 6,3 gram
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