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 21.6 g Ag from a Ag⁺ solution
B) Depositing 10.4 g Cr from a Cr³⁺ solution
C) Depositing 12.7 g Cu from a Cu²⁺ solution
D) Depositing 8.8 g Ni from a Ni²⁺ solution
E) Depositing 2.7 g Al from a Al³⁺ solution