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Based on the Balanced Chemical Equation Shown Below,determine the Mass

Question 21

Multiple Choice

Based on the balanced chemical equation shown below,determine the mass percent of Fe3+ in a 0.7450g Sample of iron ore if 22.40 mL of a 0.1000 mol L-1 stannous chloride,SnCl2(aq) ,solution is required to completely react with the Fe3+ present in the ore sample.The chemical equation for the reaction is
2 Fe3+(aq) + Sn2+(aq) → 2 Fe2+(aq) + Sn4+(aq)


A) 5.365%
B) 8.396%
C) 16.79%
D) 33.58%

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