standardization of KMnO4
Mass of H2C2O4.2H2O(MW=126g/mol),g------->0.25
Initial buret reading, mL-------------------------->0
Final buret reading, mL--------------------------->43
Volume of KMnO4 solution used, mL------------>43
Moles ofo oxalic acid used------------------------>0.002
Moles of KMnO4 used(refer to the equation)---->??
Molarity of KMnO4 solution------------------------>??
2MnO4^- + 5C2O4^2- + 16H^+ ----------------> 2Mn^2+ + 10CO2 + 8H2O

Mass of sample, g---------------------------------->0.8
Initial buret reading, mL--------------------------->0
Final buret reading, mL---------------------------->23
Volume of KMnO4 used, mL----------------------->23
Moles of KMnO4 used------------------------------>3.0
Moles of iron in sample---------------------------->??
Mass of iron in the sample, g---------------------->??
Percent of iron in the sample---------------------->??
MnO4^- + 5Fe^2+ + 8H^+ -----------------------> Mn^2+ + 5Fe^3+ + 4H2O

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