AP® Chemistry

Free Version

Upgrade subject to access all content

Difficult

Unknown Chloride

APCHEM-BMNJOQ

An unknown $Mo$ chloride is electrolyzed, using 3.0 amperes for $3.2 × 10^4$ seconds. 32.0 g of solid $Mo$ is produced.

What is the formula of the unknown $Mo$ chloride?

LeVanHan. Periodic Table. Digital Image. Wikipedia. Wikimedia Foundation, Inc., 2008 Web. 12 Jan. 2017.

A

$MoCl$

B

$MoCl_2$

C

$MoCl_3$

D

$MoCl_4$