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. Ashortpeptidemadeupentirelyoftheaminoacidalaninehasamolecularweight of 2 3 1 . 2 6 amu. Alanine is made of up C , N , H , and O . The
Ashortpeptidemadeupentirelyoftheaminoacidalaninehasamolecularweight of amu. Alanine is made of up C N H and O The percent composition by mass of carbon and nitrogen in the peptide are as follows:
C N
All of the oxygen from an mg sample of the peptide is removed and converted into water. The water produced weighed mg Calculate the molecular formula of this short peptide. If each alanine molecule contains carbons, how many alanine residues are present in the short peptide?
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