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Samples of three different compounds were analyzed and the masses of each element were determined. If you were John Dalton and had never heard of a mole, which of the following would you think were possible sets of formulas for the compounds A, B, and C, respectively? Check all that apply. a) N2O, N2O4, N2O5 b) NO2, NO8, NO10 c) NO, NO2, NO4 d) NO4. NO10, NO5