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Chemistry, 19.09.2019 10:30 bnnn

N-14 = 95%, n-15 = 3%, n-16 = 2%
c-12 = 98%, c-14 = 2%

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N-14 = 95%, n-15 = 3%, n-16 = 2%
c-12 = 98%, c-14 = 2%...

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