In a volumetric analysis experiment,an acidic aqueous solution of methanol (CH3OH) is titrated with a solution of potassium dichromate (K2Cr2O7) according to the following balanced chemical equation:
2K2Cr2O7(aq) + 8H2SO4(aq) + 3CH3OH(aq) → 2Cr2(SO4) 3(aq) + 11H2O(l) + 3HCOOH(aq) + 2K2SO4(aq)
What volume of 0.00143 M K2Cr2O7 is required to titrate 1.90 g of CH3OH dissolved in 50.0 mL of solution?
A) 62.1 mL
B) 1990 mL
C) 27.6mL
D) 50 mL
E) 885 mL
Correct Answer:
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