+0  
 
0
710
1
avatar+4117 

Help.

 Jan 16, 2018
 #1
avatar+130569 
+2

%  of  Ni  =  33.1 / 41.9   ≈   79%

 

%  of O   =   100 -  79  ≈  21%

 

 

cool cool cool

 Jan 16, 2018

2 Online Users

avatar