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melting point of benzoic acid
B. Could you use a recrystallization solvent in which the impure solid was soluble at all temperatures? Explain. C. Why is it imperative to use ice-cold (rather than room temperature) solvent to wash the purified crystals during the vacuum filtration?
melting point of benzoic acid
B. Could you use a recrystallization solvent in which the impure solid was soluble at all temperatures? Explain. C. Why is it imperative to use ice-cold (rather than room temperature) solvent to wash the purified crystals during the vacuum filtration?
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Keith LeannonLv2
22 Sep 2019
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Related questions
A mixture was recrystallized to purify compound A (melting point of 105 °C) from compound B (melting point 85 °C). Which of the following would indicate that the recrystallization was a success?
The recrystallized product melting point is lower than the impure mixture. |
The melting point of the recrystallized product is higher than the impure product. |
The melting points of the impure mixture and recrystallized product are the same. |
No crystals were formed. |
Which of the following solvents would be best suited for recrystallization.
A solvent in which the solute is miscible. |
A solvent in which the solute has a low solubility at low temperatures and a high solubility at high temperatures. |
A solvent in which the soluteâs solubility does not change with a temperature. |
A solvent in which the solute solubility is insoluble. |