A 1.168g sample contains only vitamin C (C₆H₈O₆) and sucralose (C₁₂H₁₉Cl₃O₈). When the sample is dissolved in water to a total volume of 48.3mL, the osmotic pressure of the solution is 2.90atm at 305K. What is the mass percent of vitamin C and sucralose in thesample?