Which is not a molecular formula? (A) \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \) (B) \(...

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Which is not a molecular formula?
(A) \( \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6} \)
(B) \( \mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2} \)
(C) \( \mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2} \)
(D) \( \mathrm{N}_{2} \mathrm{O} \)
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