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A 1.180 g sample contains only vitamin C (CHO) and sucralose (C2H,,C1,0). When the sample is...
A 1.326 g sample contains only vitamin C (CHO) and sucralose (C,H,,C1,0). When the sample is...
A 1.326 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 31.1 mL, the osmotic pressure of the solution is 4.77 atm at 295 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)....
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...
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...
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 0.608 g sample of a protein was dissolved in 25.00 mL of water and the...
A 0.608 g sample of a protein was dissolved in 25.00 mL of water and the resulting osmotic pressure at 305 K was measured at 5.33 x 10-3 atm. What is the molar mass of this protein? 2.57 x 105 g/mol 7.95 x 104 g/mol 3.31 x 104 g/mol 1.14x 105 g/mol 1.47 x 106 g/mol Question 9 1 pts What is the predicted van't Hoff factor for FeBrz?
A sample of 1.200 g of vitamin C is burned in the presence of excess of...
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...
3a. Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.482 g dissolved...
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...
A sample of gas contains 0.1100 mol of C2H,(g) and 0.1100 mol of H,O2(g) and occupies...
A sample of gas contains 0.1100 mol of C2H,(g) and 0.1100 mol of H,O2(g) and occupies a volume of 11.3 L. The following reaction takes place: C2H/(B) +H2O2(g) CHOHCH2OH(g) Calculate the volume of the sample after the reaction takes place, assuming that the temperature and the pressure remain constant.
please solve and explain 30. An aqueous solution of 0.35 MCHECH NHF(BTO) has a pH of...
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...
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
A 1.326 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 31.1 mL, the osmotic pressure of the solution is 4.77 atm at 295 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 0.608 g sample of a protein was dissolved in 25.00 mL of water and the resulting osmotic pressure at 305 K was measured at 5.33 x 10-3 atm. What is the molar mass of this protein? 2.57 x 105 g/mol 7.95 x 104 g/mol 3.31 x 104 g/mol 1.14x 105 g/mol 1.47 x 106 g/mol Question 9 1 pts What is the predicted van't Hoff factor for FeBrz?
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...
A sample of gas contains 0.1100 mol of C2H,(g) and 0.1100 mol of H,O2(g) and occupies a volume of 11.3 L. The following reaction takes place: C2H/(B) +H2O2(g) CHOHCH2OH(g) Calculate the volume of the sample after the reaction takes place, assuming that the temperature and the pressure remain constant.
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
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