Respuesta :

znk

Answer:

D 12

Explanation:

Assume that you have one formula unit of Na₂H₃IO₆. Then, you have

2 atoms Na

3 atoms   H

1 atom       I

6 atoms   O

12 atoms TOTAL

abbeywall3

Answer:

12

Explanation:

Na=2

H=3

I=1

O=6

6+3+2+1= 12

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