Answer:
The correct answer is NaO2Cl because when you find the percentages you treat those as grams. A.k.a: 25.42g Na , 35.45g O, 39.13g Cl. Later you turn those into moles which would turn out something like this: 1.11mol Na, 2.22mol O, 1.10mol Cl. Later divided these numbers by the lowest mole (Cl) and your ratio would be (1.11/1.10):(2.22/1.10):(1.10/1.10) which in turn would be 1:2:1. Hence the one goes to Na, the two goes to O , and 1 goes to Cl. NaO2Cl.
Explanation:
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