1. Calculate the Theoretical Freezing Point 2. Calculate the Molality

Q: An aqueous solution contains 3.1 % NaCl by mass.

A: Given   3.1 % solution of NaCl by mass  It means 3.1 g of NaCl per 100 g of solution   Molar Mass of…

Q: What is the mathematical definition of molality?

A:

Q: above

A: According to the Henry's law, Solubility of gas depends on partial pressure of gas of the partial…

Q: calculate the molality of X.

A: Given the following mixture of two compounds 50.00 mL of X (MW = 59.00 g/mol) (density = 1.074 g/mL)…

Q: Calculate the boiling point of a solution containing 18.7 g of potassium phosphate in 150.0 g of…

A: Given Values mass of potassium phosphate = 18.7g Molar mass = 212.27g/mol Moles = 18.7g/212.27g/mol=…

Q: Calculate the boiling point of a 14.75 m aqueous solution of fructose. Boiling point constants can…

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Q: When 274. mg of a certain molecular compound X are dissolved in 100g of formamidethe freezing point…

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Q: solution in a sealed flask contains 15 g of sodium chloride in 150 mL water. Given the vapor…

A: Given mass of sodium chloride = 15 g Molar mass of sodium chloride = 58.5 g/mol Number of moles of…

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: Determine the boiling point of a solution consisting of 125 mg of cinnamaldihyde dissolved in 1.10 g…

A: When a solute is added to a solvent then it will  result in elevation in boiling point. As boiling…

Q: What is the molality of a 25.4% KBr by mass aqueous solution? ​a) 0.286 m ​​b) 0.00286 m ​c) 2.86 m…

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Q: A general chemistry student isolated ciguatera toxin (a poisonous polyether produced by the…

A: Given,mass of ciguatera toxin = 192.9 mgmass of cyclohexane ( C6H12 ) = 3.397 gFreezing point of…

Q: Suppose that 98.0g of a nonelectrolye are dissolved in 1.0 kg of water. The freezing point of this…

A:

Q: Explain, using intermolecular interactions, why the freezing and melting points of water fall when…

A: Depression of freezing point and Elevation of boiling point occurs due to the addition of solute…

Q: If the freezing point depression of a 0.110 m solution is 2.33 degrees Celsius, what is the freezing…

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Q: A solute is soluble resulting in an exothermic solution.  Explain why. A) ΔHsolution is negative…

A: A solution can be defined as the mixture that consists of two components; solute and solvent. Here…

Q: Heat is released when some solutions form; heat is absorbed when other solutions form. Provide a…

A: Given:-              A molecular explanation for the difference between these two types of…

Q: Explain why the temperature (in the surrounding) decreases as a result of dissolving NaCl

A: In the given question, we have to find the reason for decrease in surrounding temperature when NaCl…

Q: 15. What is the molality of a solution that contains 63.0 g HNO3 in 0.500 kg H₂O?

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Q: Why is tyndall effect shown by colloidal particles?

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Q: What is the molality of HCI in a aqueous solution in which the mole fraction of HCI is 0.220?

A: Given - - > Mole Fraction of HCl = 0.220 Molality of HCl = ?

Q: What is osmosis? What is osmotic pressure?

A: Osmosis:From low concentrated solution, where the solvent molecules go through a semipermeable…

Q: Why is a large freezing point depression constant (Kf) advantageous when determining freezing point…

A: As we know, ∆Tf=Kf×m when determining freezing point depression, a large freezing point depression…

Q: Why is molality and not molarity used to express concentration in the equations for freezing point…

A: Given : We have to tell why molality is used in equations of freezing point depression and boiling…

Q: Calculate the mole fraction of ammonia in a 7.50 molal aqueous solution of ammonia

A: The objective of the question is to calculate the mole fraction of ammonia in a 7.50 molal aqueous…