A solution contains 45.0 g of methanol, CH3OH, dissolved in sufficient water to give a total mass of 210.6 g.  Compute for the number of moles of the solute present in the given solution.   What is the mass (in kg) of water used to dissolve the solute from the given problem?   Determine the molal concentration of the said solution.

Q: 1.73 g of Liquid Limonene C10H16 (molar mass 136.238 g/mol) mixes with 4.85 g of Liquid Phenol C6H6O…

A: Consider the given information is as follows; Mass of Liquid Limonene C10H16 = 1.73 g Mass of Liquid…

Q: Determine the molality of a solution in which 28.1 grams of glucose C6H1206 are dissolved in…

A: Applying concept of molarity and molality.

Q: Differentiate among a homogeneous solution, suspension and a colloidal solution, giving a suitable…

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Q: A solution is made using 130.0 mL of acetonitrile (density 0.786 g/mL) and 250.0 mL of water…

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Q: The boiling point of an aqueous solution is 101.21 °C. What is the freezing point? Consult the table…

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Q: Is it always the case that the formation of a liquid solution results in the release of energy? If…

A: Processes in which net energy is released are called exothermic while the processes in which energy…

Q: Use colligative properties of solutions to calculate molar massesof solute?

A: Elevation in boiling point and depression in freezing point are some of the major colligative…

Q: A student dissolves 16. g of styrene (CgHg) in 250. mL of a solvent with a density of 0.93 g/mL. The…

A: Given: mass of styrene ( C8H8 ) = 16 gMolar mass of C8H8 = 104.15 g/molAs we know, No.…

Q: Can you calculate the percent composition by mass of a solution given only the molality of the…

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

Q: Heat of Solution The heat of solution of potassium acetate (KC₂H₂O₂) in water is -15.30 kJ/mol. If…

A: Answer:Here:

Q: An aqueous solution is made by dissolving 21.0 grams of manganese(II) sulfate in 483 grams of…

A: The objective of the question is to calculate the molality of manganese(II) sulfate in the solution.…

Q: A solution of sodium chloride is made by adding 45.0 g of NaCl to 500.0 mL of water. The final…

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Q: Calculate the molality of a solution containing 289. g of HCl in 857. g of HO. Use the correct…

A: The mass of HCl (solute) is 289. g.The mass of HO (solvent) is 857 g (0.857 kg).To find the molality…

Q: A 15.2 g sample of methanol (CHsOH) is added to 19.2 L of ethanol. What is the molality of the…

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Q: grams of glucose C12H22011 are dissolve 1360grams of water. а. 0.00 b. 0.20

A: Molality is defined as number of solute present in 1000 gm of water.   Mole= MOLality×mass of…

Q: The boiling point of an aqueous solution is 101.68 °C. What is the freezing point? Consult the table…

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Q: 0.60 grams of a non electrolyte was dissolved in a total of 12.0 mL of water. The osmotic pressure…

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Q: A student dissolves 11. g of aniline (C,H,NH,) in 250. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution and…

Q: Determine the vapor  pressure ratio of the glucose solution and sucrose solution. For both solution,…

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Q: A student dissolves 1.8 g of stilbene (cH2) in 275. mL of a solvent with a density of 0.90 g/mL. The…

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Q: How is a supersaturated solution typically made? • by heating a solution to dissolve more solute,…

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Q: We mixed some ethylene glycol with 346 g water to reduce the equilibrium vapor pressure of water…

A: Answer: When a non-volatile solute is added in a solvent it causes a depression in freezing point…

Q: The concentrated hydrochloric acid we use in the laboratory is 37.4 percent HCl by mass. Calculate…

A: Step 1: Mass percent is used to express a component's concentration in a given mixture. A solution's…

Q: A student investigated four different solutions and recorded observations and measurements in the…

A: Given,  The observation table: Solution Color Degree of Dissolution ConductsElectric Current Heat…

Q: Ckated stateement. A mixture with particles that settle out if undisturbed. The visible erratic…

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Q: The solubility limit of kl in water is 58g of kl in 100g of water at 25 degrees Celsius.  What Is…

A: Solubility limit of KI is 58g/100g water.  To solve this question determine solubility limit in 1 gm…

Q: What is the molar concentration of the solution? concentration: ----m   How many moles of solute…

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Q: When 2.57 g of a nonelectrolyte solute is dissolved in water to make 115 mL of solution at 24 °C,…

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Q: A saturated solution of a compound contains .15g of solute in 100 g of water.  Is a second solution…

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Q: What is the molal concentration of a solution that is prepared by dissolving 56.1 g of glucose in…

A: Given,mass of glucose = 56.1 gmolar mass of glucose = 180.16 g/molmass of water = 285 g

Q: Your pure water boils at 100.00 C. You add some sugar into it and now it boils at 101.20C. What is…

A: Given,  Boiling point of pure water, Tb° = 100.00 °C  Boiling point of solution, Tb = 101.20 °C  Kb…

Q: The solubility of a compound is 84 g per 100.0 g solvent at 25 °C. If 84 g of the compound is…

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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: 68.4 g of sucrose is dissolved in 250 g of water. What is the molality or molal concentration of the…

A: Molality = number of moles of solute/Kg solvent = (mass of substance/molecular mass of substance)x…

Q: Determine the molality  of a solution in which 26.8 grams of glucose C6H12O6 are dissolved in…

A: Mass of glucose = 26.8 g Mass of water = 981.3 g Molar mass of glucose = 180 gmol-1  1000 g = 1 kg…

Q: A solution contains 45.0 g of methanol, CH,OH, dissolved in sufficient water to give a total mass of…

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Q: When a substance is dissolved in water the temperature increases. Which of these statements can be…

A: The reaction in which energy is released or evolved is called exothermic reaction. For exothermic…

Q: A sucrose solution is prepared to a final concentration of 0.300 M . Convert this value into terms…

A: Molarity = number of moles / volume in liter

Q: The density of the aqueous solution of 0.512 M sucrose is 1.13 g/mL. What is the molality (mol/kg)…

A: Given :-  molarity of solution = 0.512 M  density of solution = 1.13 g/mL  molar mass of sucrose =…

Q: A solution is made up by dissolving 15.0 g MgSO4· 7H2O in 140.0 g of water. What is the molality of…

A: Since molar mass of solute i.e MgSO4.7H2O = Atomic mass of Mg + Atomic mass of S + Atomic mass of O…

Q: Students are asked to mix 10 milliliters of a 0.10 molar solution of hydrochloric acid with 10…

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Q: You have a solution of 10.0 g of sucrose in 100.0 of water. Calculate the molality based on the…

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