Question

Theoretically, how much water would it take to dissolve a 150 mg sample of a compound whose solubility in water at 98^oC is 3.0 g/100 mL water? A. 50ml B. 5.0ml C.0.0045

During a recrystallization, if more solvent than necessary was used, how would the recovery be affected?

Question 8 options:

	% recovery will be low
	% recovery will be high
	% recovery will be over 100%

A certain amount of ‘solvent A’ will dissolve 32 grams of acetaminophen at room temperature and 35 grams at 100^oC. The same amount of ‘solvent B’ will dissolve 1.2 grams of acetaminophen at room temperature and 35 grams at 100^oC. Which one of these two solvents will be suitable for the recrystallization of acetaminophen?

Question 2 options:

	Solvent B
	Neither A nor B is a suitable solvent
	Both A and B are suitable solvents
	Solvent A

Answer 1

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