Glycine, an amino acid used by organisms to make proteins, is represented by the followi...

Glycine, an amino acid used by organisms to make proteins, is represented by the following molecular model.

(a) Write its molecular formula.

(b) Determine its molar mass.

(c) Calculate the mass of 3 moles of glycine.

(d) Calculate the percent nitrogen by mass in glycine. [Sections 3.3 and 3.5]