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# Mass of KxFe(C2O4)y · zH2O : 5.10 g Mass of sample : 0.195 g Mass of…

Mass of K_{x}Fe(C_{2}O_{4})_{y} · zH_{2}O **:** 5.10 g

Mass of sample **:** 0.195 g

Mass of FeCl_{3} used in preparation : 1.60 g

Molarity of standard NaOH used **:** 0.100

V_{1}, volume of standard NaOH required for first equivalence point **:** 8.950 mL

V_{2}, volume of standard NaOH required for second equivalence point **:** 17.70 mL

Answer these questions using info above:

Calculate the mass of potassium in the sample :

_______g

Calculate the percent of potassium in the sample :

________%

Calculate the volume of standard NaOH that reacted with iron :

_______ mL

Calculate the mass of iron in the sample :

_______ g

Calculate the percent of iron in the sample :

________ % Fe

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