question archive What is the molar concentration of a potassium permanganate solution? Evidence Titration of 10
Subject:ChemistryPrice:2.87 Bought7
What is the molar concentration of a potassium permanganate solution?
Evidence
Titration of 10.0 mL of Acidified 0.100 mol/L FeSO4(aq) with KMnO4(aq)
Trial 1 2 3 4
Final buret reading (mL) 11.3 21.9 32.5 43.1
Initial buret reading (mL) 0.1 11.3 21.9 32.5
Volume of KMno4(aq) added (ml) 11.2 10.2 10.6 10.6
Analysis:
10 FeSO4(aq) + 2 KMnO4(aq) + 8 H2SO4(aq) → 5 Fe2(SO4)3(aq) + K2SO4(aq) + 2 MnSO4(aq) + 8H2O(l)
Make sure all your answers have the correct number of significant digits and units.
Analysis:
1) Find average volume of KMnO4(aq) used.
2) Find the moles of KMnO4(aq).
3) What is the molar ratio (unknown:known)
4) Find the concentration of the FeSO4(aq) solution.
Purchased 7 times