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Problem 82 Hard Difficulty

Of the nitrogen oxides $-\mathrm{N}_{2} \mathrm{O}, \mathrm{NO}, \mathrm{N}_{2} \mathrm{O}_{3}, \mathrm{N}_{2} \mathrm{O}_{2}, \mathrm{NO}_{2},$ and $\mathrm{N}_{2} \mathrm{O}_{4}-$ which are more than $50 \%$ oxygen by mass? Which, if any, have the same empirical formula?

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the question here basically asked of the nitrogen oxides that we have and 20 an O end 203 and two to N 02 and 204 which wouldn't has more than 50% oxygen by mass. In this particular case, it's going to be this one, that one, uh, this one, basically all of them. Except for the 1st 1 where we have more night visions as we can see 28 um, grams over 16. So that's obviously going to be more in terms of that. And which of them is going to have this same empirical formula? We know that n o an end to go to are going to have the same one, and from there we know that that is also going to D. C. We're gonna have the same empirical formulas, and those are basically it