A 1.326 g sample contains only vitamin C (CHO) and sucralose (C,H,,C1,0). When the sample is...
A 1.180 g sample contains only vitamin C (CHO) and sucralose (C2H,,C1,0). When the sample is dissolved in water to a total volume of 34.3 mL, the osmotic pressure of the solution is 4.11 atm at 305 K. What is the mass percent of vitamin C and sucralose in the sample? vitamin C: % sucralose: %
Question 26 01 30 A 1.286 g sample contains only vitamin C (CHO) and sucralose (C,H,,C1,0). When the sample is dissolved in water to a total volume of 25.8 mL, the osmotic pressure of the solution is 5.73 atm at 301 K. What is the mass percent of vitamin C and sucralose in the sample? vitamin C: sucralose: %
omplete A 1.213 g sample contains only vitamin C(CH.0) and sucralose (C,,,,C1,0). When the sample is dissolved in water to a total volume of 25.7 ml, the osmotic pressure of the solution is 5.18 atm at 299 K. What is the mass percent of vitamin C and sucralose in the sample? omplete
A 1.173 g sample contains only vitamin C (C2H206) and sucralose (C12H1,C1,03). When the sample is dissolved in water to a total volume of 47.5 mL, the osmotic pressure of the solution is 2.77 atm at 291 K. What is the mass percent of vitamin C and sucralose in the sample? vitamin C: sucralose:
A sample of 1.200 g of vitamin C is burned in the presence of excess of oxygen to yield 1.799 g of carbon dioxide and 0.491 g of water. Vitamin C contains only carbon, hydrogen, and oxygen 1) a) Calculate the mass percent composition of vitamin C b) Determine the empirical formula of vitamin C 2) Burning a 0.1500 g sample of a carbon-hydrogen-oxygen g CO2 and 0.1500 g H20. Show all work. compound in oxygen forms a) Calculate the...
When 4.77 g4.77 g of a nonelectrolyte solute is dissolved in water to make 925 mL925 mL of solution at 21 °C,21 °C, the solution exerts an osmotic pressure of 937 torr.937 torr. What is the molar concentration of the solution? Concentration in Moles How many moles of solute are in the Solution ? Moles of Solute mol What is the molar mass of the solute ? in g/mol
3a. Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.482 g dissolved in 223.1 mL of water at 74.75 °C has an osmotic pressure of 54.4 mmHg. R = 0.082058 L⋅atm⋅mol−1⋅K−1. 1.00 atm = 760 mmHg. Report your answer to THREE significant figures. 3b. Calculate the required mass of an unknown nonelectrolyte (ℳ = 131.5599 g/mol) dissolved in 140.1 g of solvent that gives a solution that boils at 36.04 °C. The boiling point of the...
please solve and explain 30. An aqueous solution of 0.35 MCHECH NHF(BTO) has a pH of A. 2.91 B. 6.82 c. 7.18 D. 11.09 E. 13.54 31. What is the pOH of a solution of a 1.4 x 10-3 M Sr(OH)2 aqueous solution? A. 2.55 B. 2.85 C. 3.15 D. 11.15 E. 11.45 32. A 1.10 g sample contains only glucose (C6H1206) and sucrose (C12H2011). When the sample is dissolved in water to a total solution volume of 25.0 mL,...
Ascorbic acid, vitamin C, is a water-soluble vitamin. A solution that contains 80.5g ascorbic acid, C6H806 dissolved in 210g of water has a density of 1.22g/mL at 55C. With this information, answer the exercises of the 15-18. calculate % per mass of ascorbic acid, vitamin C calculate the molar fraction of ascorbic acid, vitamin C calculate the molality of ascorbic acid, vitamin C Calculate the molarity of ascorbic acid, vitamin C
Help (0.0034 / 0.035) times 100 Percent ionization = 9.7% A solid mixture contains both MgCl2 and NaCl. When 0.5000 g of this mixture is dissolved in enough water to form 1.000 L of solution, the osmotic pressure at 25.0 Degree C is observed to be 0.3990 atm. What is the mass percent of MgCl2 in the solid? (Assume ideal behavior for the solution and that both ionic compounds dissociate completely in the water.)