Question

Calculate the percentage of Oxygen in Vitamin C

Answer 1

Vitamin C is the ascorbic acid with chemical formula: C₆H₈O₆;

M(C₆H₈O₆) = 176 g/mol;

X(O) = n * Ar(O)/M(C₆H₈O₆) = 6 * 16/176 = 96/176 = 0.5455 = 54.55 %.

Answer: 54.55 %.