Question
A chemist conducted a recrystallization on 18.5 g of a solid and collected 12.5 g from the first, and 2.7 g from the second recrystallization. Show your calculation and answer the following questions:
What is the percent recovery in the first recrystallization? (1.5 marks)
What is the total percent recovery?
What is the percent recovery in the first recrystallization? (1.5 marks)
What is the total percent recovery?
Answers
%recovery 1st = (12.5/18.5)*100 = ?
%recovery total = [(12.5+2.7)/18.5)]*100 = ?
%recovery total = [(12.5+2.7)/18.5)]*100 = ?
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