1. 1. During the recrysttallization o Benzoic acid a student with a melting poin

Question

1.       1.       During the recrysttallization o Benzoic acid a student with a melting point o 122-123 c. The student looks up the melting point o benzoic acid and find that the measured melting point matches his exactly. The student then gets a sample that is pure

Which o the following is the melting point range for this pure sample?

121-125

135-136

117-136

125-136

122-125

Our  2.  Our  unknown compound with a solubility of2.8 g/100ml at 0 degree C and a solubility of 5.5g/100 at 70 degree C. If the minimum amount of solvent is recrystallized at 12.8 g by heating it to 70 C and sampling it in an ice water bath  what is the minimum percent recovery of the recrystallized material?

khdjDuring the extraction o trimyristin from nutmeg not all of the trimyristin was isolated. which would allow you to verify whether or not all of the trimyristin had been isolated?

1.

1.1. 1. Repeat the already extracted nutmeg

re     

rep    2Repeat the exp using a new sample of nutmeg

b       3Grind the nutmeg into smaller particles

all      4all the above?

Explanation / Answer

question is not very clear

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