Q9. There is 19.03 g sample of camphor dissolved in benzene. The volume of the solution is 500 mL. The osmotic pressure of the solution is 6.00 atm at 19.0 degC. What is the number of moles of camphor ? R = 0.082 L*atm/mol*K (hint: convert degree of Celsius to Kevin first) %3D

Q: Q57) Which of the following is a defining characteristic of colligative properties? O Dependence of…

A: Solution is made up of solute and solvent.Solute is present in small amount and solvent is present…

Q: The solubility of potassium nitrate is 150. g/100g water at 70.0 degrees Celcius.  A solution is…

A: Solubility of KNO3 as 150 g/100 g of water at 70.0°C.

Q: Enter your answer in the provided box. The freezing point of benzene is 5.5°C. What is the freezing…

A: Given as The freezing point of benzene =5.5 oC Mass of napthalene=5.00 g Kf of benzene=4.90 oC/m

Q: 217. mg of an unknown protein are dissolved in eñough solvent to make 5.00 mL of solution. The…

A: Given :  Mass of protein = 217 mg  volume of solution = 5.00 mL  Osmotic pressure = 0.0364 atm…

Q: What is the osmotic pressure, in atm, of a solution made from 22.3 g of methanol (MM = 32.04 g/mol)…

A: We have given that  Mass of methanol = 22.3 g  Molar mass of methanol = 32.04 g/mole  Volume of…

Q: A certain liquid X has a normal freezing point of 1.90 °C and a freezing point depression constant…

A:

Q: Ocean water can be simulated by dissolving 3.5 g NACI in 100. g of water. If the total volume is…

A: a) Molality of a solution is determined as-   Now, ocean water has 3.5 g NaCl in 100 g water. Thus,…

Q: A certain liquid X has a normal freezing point of 0 °C and a freezing point depression constant K, =…

A: Given: Normal freezing point of solvent i.e. X = 0.0 oC Kf of X = 7.44 oC/m. Mass of C7H7NO…

Q: pose 5.056 grams of an unknown solute are dissolved in 50.0 ams of phenol (C6H50H). The resulting…

A:

Q: Lauryl alcohol is obtained from the coconut and is an ingredient in many hair shampoos. Its…

A:

Q: A solution of toluene in 301g of cyclohexane has a boiling point of 90.3 degrees C. How many moles…

A: The elevation in the boiling point (b.pt) of cyclohexane (ΔTb) is calculated using equation (1) in…

Q: At 50°C, 50g of Ammonium chloride (NH4CI) is dissolved in 100 g of water. Is this solution…

A: Solubility is the amount of solute that can be soluble in particular amount of solvent.

Q: (Q66) At what temperature (°C) will a solution that contains 70.4 grams of the nonelectrolyte…

A: Mass of ethylene glycol = 70.4g  Mass of water = 632 g  Boiling point of pure water = 100°C

Q: b. how many grams of sugar must be added to 1000 g water to make it boil at 102.0 degrees celsius?…

A: (a)The expression for depression in freezing point is:

Q: ertain substance X has a normal boiling point of 95.4 °C and a molal boiling point elevation…

A: Given, normal boiling point of substance X, Tbo = 95.4 oC Boiling point of solution, Tb = 96.1 oC…

Q: (Q71) The osmotic pressure of a solution containing 20.2 mg of an unknown protein dissolved in 9.63…

A: Given,  Mass of protein, W = 20.2 mg = 0.0202 g  Volume of solution, V = 9.43 ml = 0.00943 L Osmotic…

Q: What is the osmotic pressure in torr of a 0.0178 M glucose solution at body temperature (37 °C)?…

A: Given:  Concentration of glucose solution = 0.0178 M  Temperature = 37 °C = 310 K

Q: (Q63) Consider a hydrogen peroxide (H2O2) solution that is 27.7 molal. Given the density of solution…

A:

Q: (Q70) Calculate the osmotic pressure (in atm) of a solution containing 3.31 grams of sucrose…

A: Given: Mass of sucrose = 3.31 g The volume of solution = 433.6 mL Temperature = 24.7°C Standard…

Q: 333. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

A: The pressure created by the flow of solvent molecules from a less concentrated solution to a more…

Q: The solubility of KNO3 in water at 0 degrees Celsius is 14g/100 g of water and its solubility at 60…

A: Given : Solubility of KNO3 at 60 oC = 110 g/100 g water = 1.1 g/g water And solubility of KNO3 at…

Q: 48- A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water, the density of resulting…

A: Molality is defined as numbers of moles of solute divided by mass of solvent in kg .

Q: 30 g of KI are dissolved in 300 g of water at 10 degree C. How much additional KI is necessary to…

A: Interpretation -  To tell about how much additional KI is necessary to saturate the solution when 30…

Q: -1 A certain liquid X has a normal freezing point of-0.50 °C and a freezing point depression…

A: Given: The normal freezing point of liquid X = -0.50 ∘C Kf = 7.06 ∘C·kg·mol-1  We have to calculate…

Q: A certain substance X has a normal freezing point of -3.1 °C and a molal freezing point depression…

A:

Q: A 55.5 g sample of ethanol (C2H5OH) is dissolved in 265 g of water (H2O). The vapor pressure of…

A: Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour…

Q: What type of solution is made from a mixture that contains 19.5 g KCl in 48.6 g of water at 30 °C?…

A:

Q: magnesium chloride is an important coagulant used in the preparation of tofu from soy milk. Its…

A: Given : mass of magnesium chloride taken = 16.2 g Mass of water taken = 38.2 g And solubility of…

Q: An aqueous CsCl solution is 8.00 wt% CsCl and has a density of 1.0643 g/mL at 20°C. What is the…

A: Tb(solution) - Tb(solvent) = Kb x Molality Molality = Number of moles of solute/Mass of solvent in…

Q: A certain liquid X has a normal freezing point of 5.90 °C and a freezing point depression constant…

A: Freezing point of solvent is greater than freezing point of solutions

Q: Q1: The density of 78.5 g of methanol (Mwt. 32) is 0.89 g/ml. What is the Molality of the solution?

A: Density(D) is mathematically defined as the ratio of mass of methanol and the volume of the…

Q: Your mom is making marmalade by immersed fruit into an aqueous table sucrose solution that freezes…

A: NOTE : Solution with -88°C is not possible as the solution is aqueous solution. Hence I believe it…

Q: (Q70) Calculate the osmotic pressure (in atm) of a solution containing 3.90 grams of sucrose…

A: According to colligative property, Osmotic pressure is equal to — Pi = CRT    The further…

Q: Help

A: Molar mass of given carbohydrate is 2448 g/mol

Q: 1. A4g sugar cube (Sucrose: C12H22O11) is dissolved in a 350 ml teacup of 80 °C water. What is the…

A:

Q: (Q70) Calculate the osmotic pressure (in atm) of a solution containing 3.08 grams of sucrose…

A:

Q: What is the osmotic pressure in torr of a 0.0173 M glucose solution at body temperature (37 °C)?…

A:

Q: (Q67) What is the freezing point of a solution made from 771.4 grams of benzene to which 42.4 grams…

A: Given,  Mass of solvent, benzene = 771.4 g  Mass of solute, cycloheptene = 42.4 g  Wat is the…

Q: An aqueous solution of ethanol (MM = 46.07 g/mol) has a molality of 13.25 m and a density of 1.100…

A:

Q: A solution is made using 190.5 g of hexane (MM = 86.18 g/ mol) and 200.0 g of octane (MM = 114.2…

A: The concentration of a solution is expressed as molality, which is denoted as m and it measures…

Q: A saline solution (NaCl solution) of 0.61 mg in 100 mL of solution is used in the formulation of…

A: Given,  Mass of Saline (NaCl solution) = 0.61 mg…

Q: There is 19.03 g sample of camphor dissolved in benzene.  The volume of the solution is 500 mL.  The…

A: The osmotic pressure of a solution can be written as -   π = CRT Or π = (nRT/V) Here, π = osmotic…

Q: The solubility of NaOH is 129 g NaOH/100 g water at 40°C. If a solution contains 70 g NaOH in 50 g…

A: Given :  Solubility of NaOH = 129 g NaOH/100 g water  Mass of water = 50 g  Mass of NaOH = 70 g

Q: A solution is made by dissolving 13 g of sucrose, C12H22O11, in 117 g of water, producing a solution…

A:

Q: (Q67) What is the freezing point of a solution made from 644.6 grams of benzene to which 45.7 grams…

A:

Q: 174. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

A: Given  mass of protein = 174 mg = 0.174 g volume of solution = 5.00 ml  = 0.005 L osmotic pressure…

Q: A student dissolves 12. g of styrene (c,H3) in 300. mL of a solvent with a density of 1.00 g/mL. The…

A:

Q: 228. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

A: The molar mass of the protein can be calculated as

Q: Q1: The density of 78.5 g of methanol (Mwt. = 32) is 0.89 g/ml. What is the Molality of the…

A: Molality (m), or molal concentration, is the amount of a substance dissolved in a certain mass of…

Q: 296. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

A: