Using the Same Current and Similar Conditions, Which Will Require

Multiple Choice

Using the same current and similar conditions, which will require the longest length of time?

A) Depositing 0.20 mol Ag from a Ag⁺ solution
B) Depositing 0.10 mol Cr from a Cr³⁺ solution
C) Depositing 0.10 mol Cu from a Cu²⁺ solution
D) Depositing 0.20 mol Cu from a Cu²⁺ solution
E) They should all take the same time.