A solution of 7.50g of nonvolatile compound in 22.60g of water boils at 100.78 o C at 760mmHg. What is the molecular mass of the solute? Show work please!

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.