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# 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?

A

$MoCl$

B

$MoCl_2$

C

$MoCl_3$

D

$MoCl_4$