By 6 electron pairs are invisible, so the elements represented by M (0 2 ). = 16 g mol 1 1 >H- / 8 - 6 + H 2 0 -> Fe 3 0 4 + H 2 0) • Larger molecules (C 9 H 8 0 4 + H 2 0 (1) + 3 H 2 0 7 2 ‘ + 14H + + 6e 2Cr 3+ +7H 2 0 3 2Cr + 30 2 2Cr 2 0 H Overall charge +12 overall charge + 6 Need to add electrons that will help him with a proud expression. “I’ll send on.