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# Chalk Percent Yield

SATCHM-YEQWEK

Students perform an experiment to produce a calcium carbonate precipitate.

What is the percent yield for a lab group who collect $1.70g$ of $CaCO_3$ when the predicted yield for the reaction should have been 2.00g?

A

$-15\%$

B

$70\%$

C

$30\%$

D

$85\%$

E

$-30\%$