(原子量C = 12.01, H = 1.008, N = 14.01, O = 16.00). (A)C8H10N4O2 ... 已知某樣本含有同位素10B (10.013 amu)及11B (11.009 amu),若10B含量為48.73 %,則該樣本中.
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