Answer :
Final answer:
Fractional distillation is the suitable method to remove water from an aqueous solution of formic acid because the boiling point of water is less than that of formic acid.
Explanation:
The appropriate method to remove water from an aqueous solution of Formic acid, which has a melting point of 8.4 °C and a boiling point of 100.8 °C, would be fractional distillation. In fractional distillation, the mixture of substances is heated gradually. The component with the lower boiling point (which in this case is water) evaporates first and condenses in a different section of the distillation apparatus. It is then collected separately, leaving the less volatile pure formic acid behind. The boiling point of water is lower than that of formic acid (100℃ vs 100.8℃), hence this method would effectively separate the two.
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