Answer Happy

QUESTION 6 Pepsin is an enzyme present in the human digestive tract, A 30.0 mL solution containing 0.500 grams of pepsin exhibits an osmotic pressure of 8.92 torr at 27.0 "C. What is the molar mass of pepsin? O a 35.0 g/mol Ob.3.15 103 g/mol O 3.50 104 g/mol O d.46.0 g/mol Oe-3.54 x 100g/mol QUESTION 7 What is the boiling point of a solution of ethanol that contains 4.9 grams of vanillin in 47.0 grams of ethanol? Molar Mass (vanillin) = 152.14 g/mol; Kb (ethanol) = 1.22 °C/m; bp (ethanol) = 78.5 °C. O a. Tb, solution = 78.6 °C O b. Tb, solution=77.7 °C O c. Tb, solution = 76.7 °C O d. Tb, solution = 79.3 °C O e. Tb, solution = 79.9 °C 3 points 5 points Sav