Concept explainers
Interpretation:
Percentage composition of aspartame, an artificial sweetener must be calculated.
Concept introduction:
One molecule of aspartame (C14H18N2O5) contains 14 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 5 oxygen atoms.
The percentage of an element in a compound can be calculated as follows:
Percentage of an element in a compound
Answer to Problem 171A
Aspartame contains 57.14 % C, 6.12 % H, 9.53 % N and 27.21 % O.
Explanation of Solution
Molar mass of aspartame (C14H18N2O5) is 294 g/mol.
Thus,
% of C in C14H18N2O5
% of H in C14H18N2O5
% of N in C14H18N2O5
% of O in C14H18N2O5
In aspartame there are 57.14 % C, 6.12 % H, 9.53 % N and 27.21 % O.
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