50.00 ml of a solution containing iron (11) and iron (III) when titrated at pH2.0, 12.50 mL 0.01200 M EDTA and when titrated at pH 6.0, 28.50 mL EDTA is spent. Find the concentration of each solute in this solution in ppm. (Fe (MM) = 55,847 g / mol) 28 26 Fe In+ 24 Th* Se- 22 Hg²- Ga 20 Lu -vo² 18 Zn2+ 16 Cď² Co²f -Laf 14 - Mn²+ 12 S ĮMg2- 10 0 2 4 6 8 10 12 14 pH 8. Ay S0

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50.00 ml of a solution containing iron (II) and iron (III) when titrated at pH2.0, 12.50 mL
0.01200 M EDTA and when titrated at pH 6.0, 28.50 mL EDTA is spent. Find the
concentration of each solute in this solution in ppm. (Fe (MM) = 55,847 g/ mol)
28
26
Fe+
24
Th**
Hg²-
Se-
22
Ga+
20
Lu
Cu2
Sm+
Zn2+
18
Ph
Cď²
16
La
Co³
Fe2+
14
-Mn²+
12
10
[Mg²-
0 2
6 8 10 12 14
pH
AWy 301
Transcribed Image Text:50.00 ml of a solution containing iron (II) and iron (III) when titrated at pH2.0, 12.50 mL 0.01200 M EDTA and when titrated at pH 6.0, 28.50 mL EDTA is spent. Find the concentration of each solute in this solution in ppm. (Fe (MM) = 55,847 g/ mol) 28 26 Fe+ 24 Th** Hg²- Se- 22 Ga+ 20 Lu Cu2 Sm+ Zn2+ 18 Ph Cď² 16 La Co³ Fe2+ 14 -Mn²+ 12 10 [Mg²- 0 2 6 8 10 12 14 pH AWy 301
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