Explore BrainMass

Molecular weight of aspartame

Question: The artificial sweetener NutraSweet is a chemical called aspartame (C14 H18 N2 O5).
A) What is its molecular mass (in atomic units)?

B)What is the mass (in kg) of an aspartame molecule?

Solution Preview

There is some confusion regarding the definition of the atomic mass unit.

the definition is:
Unit of mass defined by the convention that the atom 12C has a mass of exactly 12 u; the mass of 1 u is 1.67^10-27 kg.
so the question you ask is then
Why then carbon mass is 12.011 and not 12? This because ...