All milk sold to the public must be pasteurized and packaged accordingly. Only vitamins A and D are substituted in milk, no other additives or preservatives can be legally added. The vapor pressure of milk at 20∘C is 7.5mmHg. What is the vapor pressure of milk at 20C above a solution prepared with 960.0 g of Vitamin D(C₂₇H₄₄ ​O) and 1,197.0 g of Milk (The molecular formula for milk, aka lactose, is C₁₂ H₂₂O₁₁?