How many moles are represented by 100 g of glucose, C6H12O6? (C = 12 u, H = 1 u, O = 16 u)
Molar mass of glucose, C6H12O6 = 6×12+12×1+16×6 = 180g
Given Mass of the glucose, C6H12O6 = 100g
As we know that, Number of moles = mass of an element/molar mass of an element
Hence Number of moles glucose, C6H12O6 = 100g/180g = 0.55 moles.