Answer:
The pure crystals were soluble in the wash solvent.
Explanation:
The pure crystals on the funnel dissolved because they were soluble in the solvent used for washing. They were carried into the filter flask by the solvent.
Answer: A boron atom has 2 electrons at the first energy level and 3 electrons at the second energy level.
A. biology
biology is the human body
Answer:fdfgfdgfdgfdgfd
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