Solutions Questions and Answers

Solution B Solution C 1000 ml 250 ml Which other solution above has the same molarity as Solution A Select one O Solution Conly OBoth B and C ONeither nor C Solution A 500 ml e 11 4 21 12 P 16 17 18 22 B 15 Finish attempt Tine leht 1 35 55

Part 3 Match each diagram with its correct description Diagrams will be used once A B C D 1 Pure Element only one type of atom present 2 Mixture of two elements two types of uncombined atoms present 3 Pure compound only one type of compound present 4 Mixture of two compounds two types of compounds present 5 Mixture of a compound and an element E

Identify CORRECT option O If boiling point molar mass are relatively comparable then a polar solvent will show higher ebullioscopic constant then a non polar solvent O A solution of water and iso butanol may form maximum boiling azeotrope on distillation For mixing of liquids benzene and toluene entropy change ASmix is positive O In a real solution of two volatile liquids the component which is in large excess follows henry s law

Q2 A mixture of A and B is to be separated by distillation Xf 0 45 concentration of distillate is 0 92 and waste is 0 05 the Reflex ratio is 2 find No of trays of the distillation columns if equilibrium line is noted as in the figure and the feed enters the column at boiling point YA 1 0p 0 8 0 6 0 4 T 0 2 mass transfor 0 6 0 8 1 0

Open the Gas Solubility Activity Section 13 2 Figure 13 8 to complete this worksheet 1 Count the number of dissolved gas particles in each of these cases Lowest Highest pressure pressure N 0 CO Coldest Hottest temperature temperature 2 Describe the relationship between pressure and gas solubility

Immunoglobulin G IgG formerly called gamma globulin is a principal antibody in blood serum A 0 807 g sample of immunoglobulin G is dissolved in water to make 0 178 L of solution and the osmotic pressure of the solution at 25 C is found to be 0 749 mbar Calculate the molecular mass of immunoglobulin G molecular mass g mol

When 4 16 g of a nonelectrolyte solute is dissolved in water to make 455 mL of solution at 25 C the solution exerts an osmotic pressure of 17 torr What is the molar concentration of the solution concentration How many moles of solute are in the solution moles of solute What is the molar mass of the solute M mol g mol

Assuming 100 dissociation calculate the freezing point T and boiling point T of 1 71 m K3 PO4 aq Colligative constants can be found in the chempendix Tf

A solution is made by mixing 44 0 mL of ethanol C H O and 56 0 mL of water Assuming ideal behavior what is the vapor pressure of the solution at 20 C The relevant values at 20 C are included in the table Liquid ethanol water vapor pressure Density g mL 0 789 0 998 Vapor Pressure P Torr 43 9 17 5 Torm

At 13 0 C a common temperature for household freezers what is the maximum mass of sucralose C12H19C1308 you can add to 2 50 kg of pure water and still have the solution freeze Assume that sucralose is a molecular solid and does not ionize when it dissolves in water Consult the table of Kf values mass of sucralose g

If a 0 590 m aqueous solution freezes at 3 10 C what is the van t Hoff factor i of the solute Consult the table of Kf values i

Imagine two solutions with the same concentration and the same boiling point but one has ethanol as the solvent and the other has carbon tetrachloride as the solvent Determine that molal concentration m or b and boiling point Th m m Solvent Tb ethanol carbon tetrachloride Normal boiling point C 784 76 8 K C m 1 22 5 03

Calculate the osmotic pressure of a 0 246 M aqueous solution of sucrose C 2H 2O11 at 37 C II atr

131 0 g of chlorine gas Cl and 38 0 g of helium He are mixed in a container with a total pressure of 1 719 mmHg Determine the partial pressure of helium gas Answer mmHg

In a 79 0 g aqueous solution of methanol CH O the mole fraction of methanol is 0 350 What is the mass of each component mass of CH O

A 1 145 g sample contains only vitamin C CH O and sucralose C 2H Cl30g When the sample is dissolved in water to a total volume of 37 3 mL the osmotic pressure of the solution is 3 45 atm at 285 K What is the mass percent of vitamin C and sucralose in the sample vitamin C of