solution is prepared at 20°C and its concentration is expressed in two different units; Molarity and Molality. The solution is then heated to 88°C. Which of the concentration units will change? Directions: Base on what you have learned from this lesson and from other previous lessons. Analyze the given statement and scientifically discuss your claim.

Q: A solution is made by dissolving 11 g glucose (molar mass = 180.2 g/mol) in 73 g of water. Calculate…

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Q: Calculate the freezing temperature of the following solution of 0.50 M sodium chloride (an ionic…

A: Molality of NaCl = 0.5 m The equation along with vant Hoff factor -  NaClaq ⇔Na+ aq+ Cl-aqi value…

Q: Calculate the molal concentration of a solution of 44.9 g of naphthalene, C10H8, in 175 g of…

A: Please find your solution below : Molality is a measure of concentration which is defined as the…

Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

Q: A student dissolves 7.9 g of resveratrol (C4H120,) in 425. mL of a solvent with a density of 0.90…

A: First we will calculate number of moles of resveratrol. Then calculate molarity and molality of…

Q: A solution of glucose (C6H12O6) is made by dissolving 3.25 grams of glucose in enough water to make…

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Q: A student dissolves 7.9 g of phenol (CH;OH) in 200. ml. of a solvent with a density of 1.16 giml.…

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Q: A solution is prepared by dissolving 32.5 g of glucose (180.156 g/mol) in 593. g of water (18.015…

A: Given mass of Glucose = 32.5 gram Molar mass of Glucose = 180.156 g/mol Moles of Glucose =…

Q: A student dissolves 3.7 g of glucose (C,H,0) in 100. mL of a solvent with a density of 0.87 giml.…

A: Given: The given mass of glucose,(Wb)=3.7 g The molar mass of solvent, (Mb)=180 g/mol. The volume of…

Q: A student dissolves 20. g of glucose (C,H,,0,) in 100. mL of a solvent with a density of 0.96 g/mL.…

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Q: A student dissolves 2.2 g of urea CO in 175. mL of a solvent with a density of 0.89 g/mL. The…

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Q: A student dissolves 6.6g of phenol C6H5OH in 375.mL of a solvent with a density of 0.82/gmL…

A: The number of moles for a given compound or a molecule refers to the ratio of its mass to the…

Q: 2. Determine the actual boiling point and freezing point of these two different solutions; • 250 mL…

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Q: Calculate the molality of the solution.

A: If x mol of solute is present in 1000 gm solvent then the solution is said to be x molal and it can…

Q: A student dissolves 7.4 g of glucose (CH,0,) in 150. mL of a solvent with a density of 1.11 g/mL.…

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Q: 10 grams of a non-volatile and non- dissociating solute is dissolved in 200 grams of benzene. The…

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Q: A student dissolves 6.1 g of styrene (C3H3) in 225. mL of a solvent with a density of 0.87 g/mL. The…

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Q: A student dissolves 4.9g of methanol CH3OH in 275.mL of a solvent with a density of 1.06/gmL…

A: Given information: Mass of solute = 4.9 g Volume (V) = 275 mL                      = 0.275 L Density…

Q: Express the 1% Sodium Lauryl Sulfate (NaC 12 H 25 SO 4; ρ=1.01 g/ml) solution in the following…

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Q: Base on what you have learned from this lesson and from other previous lessons. Analyze the given…

A: Given that : A solution is prepared at 20oC and its concentration is expressed in two different…

Q: A 0.194-g sample of a nonvolatile solid solute dissolves in 9.82 g of cyclohexane. The change in the…

A: The question is based on the concept of solutions. depression is freezing point is a colligative…

Q: Ethylene glycol, HOCH2CH2OH, is a common automobile antifreeze. It is water-soluble and fairly…

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Q: A 75.0 grams of MgCl2 is dissolved in 500.0 g of water. Calculate the molality of the solution. a)…

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Q: Ethylene glycol, HOCH2CH2OH, is a common automobile antifreeze. It is water soluble and fairly…

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Q: A student dissolves 2.5 g of phenol (C,H,OH) in 350. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity is defined as the number of moles of solute dissolved in one liter of solution Whereas,…

Q: How would you prepare 455g of an aqueous solution that is 4.45% by mass of Barium hydroxide ? What…

A: Given: Mass of solution = 455 g. And percent by mass of barium hydroxide i.e. Ba(OH)2 = 4.45 %.

Q: A student dissolves 14. g of stilbene (CH12) in 450. mL of a solvent with a density of 1.09 g/mL.…

A: Molarity: The mole of the solute dissolved in one liter of the solution is known as the molarity of…

Q: Ethylene glycol, HOCH2CH,OH, is a common automobile antifreeze. It is water-soluble and fairly…

A: Given: Mass of HOCH2CH2OH = 876 g. And mass of water i.e. solvent = 4658 g = 4.658 Kg…

Q: A solution of hexane, C6H14, in benzene, C6H6, has a molality of 0.250 m. What mass of hexane is…

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Q: Calculate the molality of a 2.92 M potassium nitrate solution in which methanol, not water, is the…

A: To solve this problem we have to calculate the mass of solvent and number of moles of Solute .

Q: A student dissolves 19. g of methanol (CH,OH) in 425. mL of a solvent with a density of 0.98 g/mL.…

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Q: When a solute is dissolved in a liquid, the vapor pressure is increased because the surface area…

A: The vapour pressure of solution is defined as the pressure exerted by the vapours in the equilibrium…

Q: An aqueous solution of ethanol, C2H5OH, is 19.00% ethanol by mass and has a density of 0.9700 g…

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Q: Suppose you have 1.7 g NaCl in 100.0 g of water. Calculate the molality based on the molar mass.…

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Q: Calculate the freezing point and boiling point in each solution, assuming complete dissociation of…

A: When a solute is added in pure solvent, boiling point of solution increases and depression of…

Q: You have a 10.40-g mixture of table sugar (C 12H 22O 11) and table salt (NaCl). When this mixture is…

A: Given mass of mixture = 10.40 g Mass of water = 150 g Freezing point = -2.24°C some standard values…

Q: A student dissolves 4.1g of glucose C6H12O6 in 100.mL of a solvent with a density of 1.17/gmL…

A: The number of moles for a given compound or a molecule refers to the ratio of its mass to the…

Q: An aqueous zinc bromide solution (ZnBr2) boils at 100.250 °C.  What is the molality of this…

A: Given  The Boiling point of Aqueous solution ZnBr2  = 100.250 ℃  Kb  of water   = 0.512 ℃/m…

Q: 10.0 g of glucose is added to 300 g of water at room temperature. The vapor pressure of water at…

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Q: An aqueous solution of cesium chloride is prepared by dissolving 52.3 g cesium chloride in 60.0g of…

A: Number of moles of cesium chloride = given mass / molar mass = 52.3 g / 168.36 g/mole= 0.31 molMass…

Q: A student dissolves 12. g of phenol (CH OH) in 350. mL of a solvent with a density of 1.12 g/mL. The…

A: given that:  Mass of phenol(solute)= 12.g  Volume of solvent = 350.ml Density = 1.12g/ml Volume does…

Q: A solution contains 22.5 g of methanol , CH3OH , dissolved in sufficient water to give a total mass…

A: Molality: The mole of the solute dissolved in one kilogram of the solution is known as the molality…

Q: A student dissolves 5.6 g of biphenyl (C,,H10) in 425. mL of a solvent with a density of 1.15 g/mL.…

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Q: Consider an aqueous solution containing sodium chloride that has a density of 1.01 g/mL. Assume that…

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Q: A solution is prepared at 28°C and its concentration is expressed in three different units: percent…

A: Concentration is the amount of solute which can be dissolved in specific amount of solvent or…

Q: 400g of NaF are disolved in 2 kilograms of water. The solutions density in this condition is…

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Q: A student dissolves 16.g of benzoic acid C7H6O2 in 125.mL of a solvent with a density of…

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Q: A student dissolves 10. g of phenol (C,H;OH) in 175. mL of a solvent with a density of 1.03 g/mL.…

A: 10g phenol is dissolved  The solvent amount is 175 ml The density of the solvent is 1.03g/ml

Q: A student dissolves 8.3 g of phenol (C,H,OH) in 325. mL of a solvent with a density of 1.12 g/mL.…

A: Molality - It is defined as moles of solute dissolved per kilogram of solution. Its unit is moles/kg…

Q: Which of the following BEST describes why vapor pressure of a solution is lower than that of a pure…

A: The ability of a component to change its form to the gaseous state. It is measured by the pressure…