D dorocker 5+ Year Member Feb 18, 2013 43 2 Status Pre-Medical Feb 18, 2013 #1 can anyone help me with this problem? what would the cell potential be if Mn2+ and Zn2+ were at 2M and MnO4- was at 1M. would changing the amount of Zn change this potential. why or why not? (page 347-high yield questions).