Atomic N/C ratio A t o m i c N / C r a t i o 0.14 0.12 0 +1 0.14 0.12 0.13 0 +1 +2 1 2 3 4 5 6 7 12 3 6 7 4 5 7 5 4 Hypothetical “ideal chitin” (C8H13 NO5)n ...
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