A sample of iron ore is dissolved in acid, and the iron ore is converted to Fe. The sample is then titrated with 57.30 ml or D.03240 M MnO solution. The oxidation-reduction reaction that occurs during titration is follows MnO4 (aq) + 5 Fe2 (aq) + 8 H (aq)- Mr (aq) S Fe () 4HOM How many grams of iron were in the sample? Select one: O a. 7.631 g O b.0.5386 g O c.0.7631 g O d. 5.185 x 10-g e. 2.310 x 101 g

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A sample of iron ore is dissolved in acid, and the iron ore is converted to Fe. The sample is then titrated with 57.30 ml or
0.03240 M MnO solution. The oxidation-reduction reaction that occurs during titration is as follows
MnO4 (aq)
5 Fe2 (aq) + 8 H (aq) -
Mn (ac) SFfe (aq) 4H0
How many grams of iron were in the sample?
Select one:
O a. 7.631 g
O b. 0.5386 g
O c. 0.7631 g
O d. 5.185 x 101g
O e. 2.310 x 101 g
Transcribed Image Text:A sample of iron ore is dissolved in acid, and the iron ore is converted to Fe. The sample is then titrated with 57.30 ml or 0.03240 M MnO solution. The oxidation-reduction reaction that occurs during titration is as follows MnO4 (aq) 5 Fe2 (aq) + 8 H (aq) - Mn (ac) SFfe (aq) 4H0 How many grams of iron were in the sample? Select one: O a. 7.631 g O b. 0.5386 g O c. 0.7631 g O d. 5.185 x 101g O e. 2.310 x 101 g
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