A student obtained 2.00 g of pure caffeine following recrystallization from a crude sample, which originally weighed 2.56 g. Wha

Question

worty [1.4K]

2 years ago

15

A student obtained 2.00 g of pure caffeine following recrystallization from a crude sample, which originally weighed 2.56 g. Wha

t is the percent recovery of pure caffeine from crude

Chemistry

1 answer:

Lady_Fox [76] · Answer 1 · 2022-11-12T07:24:26+03:00

Answer: 78.125%

Explanation:

From the question, we are informed that a student obtained 2.00g of pure caffeine following recrystallization from a crude sample, which originally weighed 2.56g.

The percent recovery of pure caffeine from crude will be calculated as:

= Mass of pure caffeine / Mass of crude sample × 100

= 2.00 / 2.56 × 100

= 78.125%