Question

Determine as massas moleculares dos compostos abaixo: Dado as massas atômicas: C=12; O=16; Mg= 24; S=32; Ca= 20; H= 1; Cl= 35; Na=23; N= 14; P=31
a) NaCl *


b) O₂ *

c) H₂NO₃ *

d) H₃PO₄

Answer 1

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