# What is the standard reduction potential for the half reaction Zn^(2+) (aq) + 2e^(-) -> Zn(s)?

##### 1 Answer
Jan 1, 2018

Off the top of my head I believe it is,

$- 0.76 V$

Edit: I checked and I'm correct. Most of the time professors will give you these. Copper and zinc are fairly common, though. So after solving hundreds of electrochemistry problems you could memorize them.