A solution is prepared by dissolving 2.5g of a non-volatile solute in 100g of water. The vapor pressure of the solution is found to be 22.87 Torr at $25^\circ C$. If the vapor pressure of pure water is 23.76 Torr at the same temperature, what is the molar mass of the solute (in g/mol)?

Which of the following methods is NOT suitable for concentrating a protein solution?

Which of the following methods is most suitable for separating a mixture of iodine and potassium chloride?

Which technique is employed to separate two miscible liquids with a significant difference in their boiling points?

A mixture of sand, salt, and iron filings can be separated using a combination of methods. Which sequence is the most efficient?

Which method is best suited for separating a mixture of two immiscible liquids with different densities?