The titration of vitamin C with iodine proceeds according to the given equation.
C6H8O6+I2⟶C6H6O6+2HICX6HX8OX6+IX2⟶CX6HX6OX6+2HI
Suppose it takes 18.95 mL of 0.0026 M I2 solution to reach the end point of the titration. How many moles of vitamin C are present?