Question

Dada as moléculas, calcule as massas moleculares a seguir:

Answer 1

a) Cu = 63,5u, S = 32u, O = 16u e H = 1u
   63,5+32+4*16+24*1+12*16 = 375,5u

b) Fe = 56u
    2*56+3*16+12*1+6*16 = 268u

c) Na = 23u
    3*63,5+12+2*16+1+23 = 258,5u

d) K = 39
   2*39+16 = 94u