When 6.29 g of a nonvolatile solute is dissolved in 500 g of water, the freezing point of the resultant aqueous solution is lower than that of pure water. The cryoscopic constant for water is and the solute does not dissociate. Estimate the molar mass of the solute.
A sample of sulfur weighing 0.201 g was dissolved in 17.8 g of carbon disulfide, . If the boiling point of the carbon disulfide was elevated by , what is the formula of a sulfur molecule in this solution?
Lysozyme is an enzyme that cleaves cell walls. A 0.100 L sample of a solution of lysozyme containing 0.0750 g of the enzyme exhibits an osmotic pressure of atm at . What is the molar mass of lysozyme?