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1.A 30.0 mL aqueous sample of Fe2+ requires 8.37 mL of 3.1 x 10^-3 M C2rO7^2-...

1.A 30.0 mL aqueous sample of Fe2+ requires 8.37 mL of 3.1 x 10^-3
M C2rO7^2- to reach the end point. What is [Fe2+]?

2A 50.00ml aqueous sample of Fe^2+ requires 5.00 ml 0f 0.010 M MnO4 , to reach the end point. What is Fe^2+?
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