0.302 grams of an antibiotic was dissolved in enough water at 23.6°C to make 500.0 mL of solution. The solution has an osmotic pressure of 8.34 mm Hg. What is the molar mass of the antibiotic? C

Answer the attached photo. Give all relevant solutions. Use the atomic weights from PTable.com rounded to 4 digits in your calculations.

Enter your answer in the provided box. The boiling point of ethanol (C₂H5OH) is 78.5°C. What is the boiling point of a solution of 13.4 g of vanillin (M= 152.14 g/mol) in 50.0 g of ethanol (K of ethanol = 1.22°C/m)? °C

Isotonic saline solution, which has the same osomotic pressure as blood, can be prepared by dissolving 0.923 g of NaCl in enough water to produce 100. mL of solution. What is the osmotic pressure of this solution at 25 ∘C? Express your answer to three significant figures and include the appropriate units.

A saline solution (NaCl solution) of 0.7 mg in 100 mL of solution is used in the formulation of artificial tears. What is the osmotic pressure (in atm) of the solution at a temperature of 23.9 °C? [ Please give your answer to 2 significant figures and in the form 0.00xx ]

When 2.15 g2.15 g of a nonelectrolyte solute is dissolved in water to make 725 mL725 mL of solution at 26 °C,26 °C, the solution exerts an osmotic pressure of 901 torr.901 torr. What is the molar concentration of the solution? concentration:   MM How many moles of solute are in the solution? moles of solute:   molmol What is the molar mass of the solute? molar mass:   g/mol

An aqueous antifreeze solution is 20.4 % ethylene glycol (C2H6O2) by mass. Find the molality of the solution. Molar mass of C2H6O2 is 62.07 g/mol

At 20°C, a 2.89 M aqueous solution of ammonium chloride has a density of 1.004 g/mL. What is the molality of ammonium chloride in the solution? The formula weight of NH4Cl is 53.50 g/mol. Express your answer in decimal potation and to 2 decimal places. Do not include units.

14 15 16 17 18 19 20 21 22 23 24 25 26 27 350. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The osmotic pressure of this solution is measured to be 0.0643 atm at 25.0 °C. Calculate the molar mass of the protein. Round your answer to 3 significant digits. dh mol Submit Assignment Continue MacBook Air 乡 ►► $12 F10 FII FB F9 F7 esc F3 F4 F5 F6 FI F2 # 2$ % @ de %D 7 8 9. 2 3 4

A nonelectrolyte compound is found to have a molar mass of 598 g/mol. If 33.7 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure (in torr) of the resulting solution?  (Note:  Report your answer to three significant digits and only input the number in the answer box.)