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Question
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)
It required 43.91mL of 0.0435M K2Cr2O7to reach the endpoint. What mass of CH3OH was present initially?
A) 0.0918 g
B) 2.09 g
C) 0.929 g
D) 0.0612 g
E) 0.0408 g
Answer
This answer is hidden. It contains 1 characters.
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