In a Volumetric Analysis Experiment,an Acidic Aqueous Solution of Methanol

question 34

Multiple Choice

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

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