Respostas

2014-03-14T22:20:06-03:00
Sabendo que C=12g; H=1g; O=16g; K=39g; Fe=56g; N=14g, então:

A) 12x6+12x1+16x6= 72+96+12= 180g/mol

B) 39x4+56+(12+14)x6= 156+56+156= 368g/mol

C) 12x12+22x1+16x11=144+22+176= 342g/mol
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