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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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- Suppose you dissolve 0.210 g of a newly isolated protein in 25.o ml of water. The solution has an osmotic pressure of 0.00353 atm at 275 K. What is the molar mass of this protein?arrow_forwardBovine serum albumin (BSA) is a biochemically useful protein. A 0.303 g0.303 g sample of bovine serum albumin is dissolved in water to make 0.137 L0.137 L of solution, and the osmotic pressure of the solution at 25 ∘C25 ∘C is found to be 0.826 mbar.0.826 mbar. Calculate the molecular mass of bovine serum albumin.arrow_forwardAt 25.0 °C, 100.0 mL of an aqueous solution containing 45.2 mg of a molecular solute has an osmotic pressure of 18.4 Torr. The molar mass of the solute is ___ g/mol.arrow_forward
- please explainarrow_forwardA solution consisting of 0.240 mol of methylbenzene, C6H5CH3, in 252 g of nitrobenzene, C6H5NO2, freezes at –0.7°C. Pure nitrobenzene freezes at 6.0°C. What is the freezing-point depression constant of nitrobenzene?arrow_forwardGlucose, C6H12O6, in water is often used for intravenous feeding. Sometimes sodium ions are added to the solution. A pharmacist prepares a solution by adding 2.0 mg of sodium ions (in the form of NaCl), 6.00 g of glucose, and 112 g of water. What is the molality of the glucose in solution? How many ppm of Na+ does the solution contain? What is the mole fraction of glucose and Na+ in the solution?arrow_forward
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