Vitamin C, also known as ascorbic acid, is water soluble and cannot be produced by the human body. Each day, a person's diet should include a source of vitamin C, such as orange juice. Ascorbic acid has a molecular formula of CH806 and a gram-formula mass of 176 grams per mole
Which choice is a correct numerical set up for calculating the percent composition by mass of oxygen in ascorbic acid?
16 g/mol
196 g/mol
X100
6(16 g/mol)
X100
176 g/mol
2
176 g/mol
*100
16 g/mol
3
2(16 g/mol)x100
176 g/mol