List of top Chemistry Questions on Types of Solutions asked in KBPE

Why saline water is mixed with medicine before injected into the blood of a patient?

200 cm3 of an aqueous solution of a protein contains 1.26 g of the protein. The osmotic pressure of this solution at 300 K is found to be 2.57 × 10^-3 bar. Calculate the molar mass of the protein.

Given: R = 0.083 L bar mol^-1 K^-1