Question

Pra calcular a massa molecular​

Answer 1

Resposta:

Explicação:

C=12

H=1

O=16

A) C2H2O4

12 x 2=24

1 x 2=2

16x 4= 64

64+24+2=90g/mol

B)12x6= 72

12 x 1=12

16x 6= 96

72+12+96= 180 g/mol

D)12.12 + 22.1 + 11.16

342 g/mol

E)12x9 + 1x8 + 16x4=

108 + 8 + 64=

180g/mol