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S: 26.9 g / 32 g/mol = 0.840 mol
O: 53.8 g/ 16 g/mol = 3.363 mol
dividir entre el menor de los resultados cada elemento
Na: 0.834 mol / 0.834 mol = 1
S: 0.840 mol / 0.834 mol = 1
O: 3.363 mol / 0.834 mo = 4
FE: NaSO4
Mm FE
Na: 1 x 23 = 23 g/mol
S. 1 x 32 = 32 g/mol
O: 4 x 16 = 64 g/mol
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Mm = 119 g/mol
n = 238 g/mol
````````````````
119 g/mol
n = 2
FM: (NaSO4)2 = Na2S2O8