Question

Me pueden ayudar resolviendo esta porfa!!!

Answer 1

Explicación:

K= 39 ×1= 39

O= 16×1 = 16

H= 1 ×1= 1

____________

56g/mol

Na2CO3

Na= 23×2 = 46

C= 14×1 = 14

O= 16×3= 48

_____________

108g/mol

CaCl2

Ca= 40×1= 40

Cl= 35,5×2= 71

______________

111g/mol

Ba(OH)2

Ba= 137,3×1= 137,3

O= 16×2= 32

H= 1×2= 2

______________

171,2 g/mol

K2Cr2O7

K= 39×2= 78

Cr= 52 ×2= 104

O= 16×7= 112

_____________

294g/mol

Fe2O3

Fe= 56x2= 112

O= 16×3= 48

_____________

160g/mol