What is the osmotic pressure, in atm, of a 0.279 M solution of MgCl₂ at 37.0 °C? (assume complete dissociation).

Q: Which of the following aqueous solutions has the lowest freezing point? 0.6 m CH3OH    0.6m KCl…

A: Freezing point of solution is inversely proportional to molality

Q: density of the solution?

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Q: An aqueous solution has a mass percent of solute of 18.4%. The density of the solution is…

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Q: What is the molality of a solution in which 12 g of NaCl is dissolved in 19 Kg of water?

A: Molality: It is the amount of solute that is present per kilogram of a solution. In mathematical…

Q: Explain the difference between a solution and a colloid?

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Q: What mass of NaNO3 should be dissolved in 45 mL of water so that the resulting solution freezes to…

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Q: 4. What is the effect of pressure on the solubility of gases in liquids?

A: Solubility is defined as the ability of a solid, liquid, or gaseous chemical substance to dissolve…

Q: What is the molality of a solution that consists of 8.09 mL of carbon tetrachloride (CCl4, d = 1.59…

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Q: What is the Molarity of a solution of NaCl in water, if the mole fraction of NaCl is 0.111? The…

A: Given,mole fraction of NaCl = 0.111density of the solution = 1.19 g/mL

Q: What is the molality of a solution of calcium chloride that has a freezing point of -4.56 degrees…

A: Given,Freezing point of calcium chloride solution = - 4.56 °CKf = 1.86 °C kgmolRequired,…

Q: An aqueous solution of molecular compound X freezes at -0.569°C. Calculate the molality of the…

A: Depression in freezing point (∆Tf) :-  When a non volatile solute is added to a pure solvent its…

Q: Given that an aqueous solution of glucose (C6H1206) has a density of 1.0173 kg/L, what is the molar…

A: Answer :-  The molality of Glucose solution = 0.253 M…

Q: What is the freezing point of an aqueous solution that boils at 106.5 °C?

A: Given that the boiling point of an aqueous solution is 106.5°C. For what Kb is 0.512°C/m and pure…

Q: What is the concentration of an aqueous caffeine solution that is prepared by dissolving 36.8 g of…

A: In order to find the concentration of caffeine in the solution we first write down the given data:…

Q: What is the molality of a solution consisting of 9.265 mass % of C2H5OH dissolved in water?

A: Mass by mass % gives an idea about the amount of solute dissolved per 100 g of solution. Here mass %…

Q: 3. A 400.0 mL sample of an aqueous solution at 25 °C contains 23.8 mg of an unknown nonelectrolyte…

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Q: Calculate the freezing point of a 9.00 m aqueous solution of CaCl2

A: To solve this problem we will use the formula  ∆Tf = i Kf m  Where ,  ∆Tf = depression in freezing…

Q: A solution was prepared by dissolving 125.0 g of KCl in 295 g of water. Calculate the molality of…

A: Molality: The molality of the solution is defined by the mole of solute present in one kilogram of…

Q: Calculate the molality of a solution formed by adding 2.60 g NH,Cl to 19.2 g of water.

A: Molality is a method of expression concentration. It is denoted by  m. molality, m =moles of…

Q: What is the molality of an aqueous 2.39 M C6H12O6 solution. The density of the solution is 1.16 g/mL

A: Given,  Molarity of solution= 2.39 M Density of solution= 1.16 g/ml We need to calculate the…

Q: An aqueous CaCl2 solution has a vapor pressure of 81.6 mmHg at 50 °C. The vapor pressure of pure…

A: Given information: Vapor pressure of solution = 81.6 mmHg Vapor pressure of pure water = 92.6 mmHg

Q: 500 g of anitifreeze, C2H6O2, is mixed with 750 g of water, H2O.  What is the freezing point of the…

A: Mass of antifreeze, C2H6O2 = 500 g Mass of water = 750 g Molecular weight of C2H6O2 = 62.07 g/mol…

Q: When we dissolve a 1.50-g sample of a compound in enough solvent to give 800.0 mL of solution at 27…

A: To solve this problem we will use  π= iCRT  Where , π = osmotic pressure  i= van't Hoff factor  C=…

Q: What is the concentration of an aqueous caffeine solution that is prepared by dissolving 36.8 g of…

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Q: 1) A solution containing 10.0 g of an unknown molecular liquid and 90.0 g water has a freezing point…

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Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.290…

A: Let the molar mass of the solute be x. The molality of the solution can be expressed as follows-

Q: 2. The average osmotic pressure of blood at 25 °C is 7.7 atm. How many grams of glucose(CH1,06) is…

A: Given data: osmotic pressure (π) = 7.7 atm Temperature (T) = 25o C = 298 K Volume of solution = 110…

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: 2. What is the molality of a solution made by dissolving 12.5 g NaCl in 1 L of H2O?

A: Given,The mass of NaCl = 12.5 gVolume of the solution = 1 LConversion of grams of NaCl into moles: -

Q: what is the molality of a solution that contains 73.5 gof 1,4dichlorobenzene C6H4Cl2 in 500 mL of…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: What is the maximum mass of potassium nitrate that can be dissolved in 500. mL of water at 60°C?

A: Solubility of a compound is expressed by the mass of that amount that can be dissolved in 100 g of a…

Q: 3) 21.0 g of a nonelectrolyte is dissolved in 0.200 kg of water. The resulting solution freezes at…

A: Answer    Freezing point Tf  = Kf  × molality   Molality  = mass…

Q: Which of the following solutions has the highest osmotic pressure? O 0.25 M KCI O 0.20 M Na2s O 0.12…

A: Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the…

Q: A 1.50 M aqueous solution of methanol (CH3OH) has a density of 0.976 g/mL. What is the molality of…

A: Molality of the solution is defined as the no of moles of solute present per kg of solvent.  It is…

Q: What is the molality of 2.5 g NaCl dissolved in 20.0 kg of water?

A: The given values for the preparation of NaCl solution is: weight of NaCl=2.5 gamount of water…

Q: An ethylene glycol solution contains 27.8 g of ethylene glycol (CH,O2) in 79.2 mL of water (density…

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Q: the density of a 3.539 M HNO3 aqueous solution is 1.150 g x mL-1 at 20 Degrees C. What is the molar…

A: Given Molarity = 3.539 M Density = 1.15 g/ml

Q: What is the molal concentration of KCl in a solution prepared by adding 2.11 mol of KCl to 889 g of…

A: Molal concentration is defined as the moles of solute present per Kg of the solvent  hence molal…

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of…

Q: A 0.750L aqueous solution contains 90g of ethanol Concentration of the solution in mol/L?

A: Molarity of a solution is defined as number of moles of solute dissolved per litre of the solution.…

Q: Calculate the percent by volume of a solution composed of 78.0mL of ethanol and 130. mL of H2O.

A: By using the defination of percentage by volume we can solve this problem from given information.

Q: An aqueous solution containing 6.62 g of a certain non-electrolyte has a volume of 620 mL. The…

A: The osmotic pressure is observed in solution where flow of solute occurs. In osmosis a…

Q: What is the osmotic pressure (in atm) of a 0.015 M calcium chloride solution at 28 °C? O 0.4 O 0.7 O…

A: Given, Concentration of calcium chloride solution (C) = 0.015 M = 0.015 mol/L Temperature (T) = 28°C…

Q: A solution is prepared by dissolving 215 g of methanol, CH3OH, in 1000 mL of water. What is the…

A: To solve this problem first we have to find the number of moles of methanol  then molality of the…