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SAT® Subject Test in Chemistry

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Iron Chloride Percent Error

SATCHM-EAEWTV

Students perform analysis to determine the concentration of iron (III) chloride. After reporting a concentration of 0.5M, their instructor informs them that their percent error is +25%.

What was the actual concentration of their sample?

A

$0.625M$

B

$0.385M$

C

$0.400M$

D

$0.600M$

E

$0.750M$