heats of solution? Select one: a. the heat of solution is also called the enthalpy of solution; b. all options are correct; c. the heat of solution represents the difference between the enthalpy of the final solution and the enthalpies of its original components (that is, solute and solvent) before they are mixed;

Q: 6. A student makes a solution that is 37.5% (by mass) perchloric acid in water. Determine the…

A: The ratio of moles of solute to the mass of solvent in (kg) is known as molality.

Q: 4 An 18.3 g of an unknown non-ionizing solute is added to 88.8 g of water. If the boiling point of…

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Q: A solution is prepared by combining 5.03 grams of an unknown non-electrolyte with 323.0 grams of…

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Q: Calculate the mole fraction of the ionic species KCl in the solution. Express the concentration…

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Q: What happens to the boiling point of a substance when a nonvolatile solute is dissolved in it? Why?

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: The molarity of 25.0% by mass HCI solution is ? The density of HCI solution is 1.20 g/mL.

A: Molarity is defined as number of moles of solute present in one liter of solutions

Q: Question 11 Identify three colligative properties of solutions. Then, describe why the colligative…

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Q: What happens to the freezing point of a substance when a nonvolatile solute is dissolved in it? Why?

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Q: 1. The freezing point of an aqueous solution is -2.79°C. a. Determine the boiling point of this…

A: Given: The freezing point of the solution=-2.790C. Kf=1.860Cmol-1kg. Kb=0.5120Cmol-1kg.

Q: 3.21 g of potassium chloride dissolved in 30.2 g of water Percent by mass = % KCI 3.21 g of…

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Q: Determine the moles of solute particles dissolved in 0.7 kg of water for each of the following…

A: The number of moles of solute dissolved in 1 kg of the solvent is termed as molality. It is…

Q: A salt has a lattice energy of -844.4 kJ/mol and a heat of solution of -62.2 kJ/mol. What is the…

A: For the given salt, Hlattice = -844.4 kJ/mol Hsolution = -62.2 kJ/mol Hhydration = ?

Q: If 21 mL of 1.0 M NH4Cl is used what volume does it need to be diluted to in order to make a 0.12 M…

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Q: Calculate the percentage concentration by mas of a solution prepared by dissolving 2.32 g of calcium…

A: Given :-  Mass of Calcium chloride = 2.32 g  Mass of water = 81.0 g  To calculate :- %w/w of…

Q: Given a 28.6% solution by mass of ethylene glycol in water, what mass of solution is needed to…

A: Given, Solution % = 28.6 % Mass of ethylene glycol = 10.0 g  Mass of solution = ? The formula used…

Q: What happens to the vapor pressure of a substance when a nonvolatile solute is dissolved in it?…

A: It measured the tendency of solvent to change into gaseous or vapour form,  it increases with…

Q: How could one design an experiment to test if the presence of a soluble solute affects the freezing…

A: The phenomenon of depression is when (FP) freezing points come under the colligative properties.…

Q: A 5.00% by mass dextrose solution contains how many grams of dextrose dissolved in 1.00 kg of water?

A: Mass percent :- The mass of solute in grams dissolved in 100 grams of solution is defined as mass…

Q: A certain brine has 3.87% NaCl by mass. A 75.0 mL sample weighs 76.9 g. How many liters of this…

A: The objective of the question is to find out how many liters of a brine solution, which contains…

Q: Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated…

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Q: Which of the following two solutions has the lowest freezing point. Solution A or Solution B. For…

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Q: An aqueous solution weighs 22.8Ib.It contain 15.3 Ib of water , the rest is KCI.What is the mass…

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Q: 2. The volume of a 2.25 M solution of sodium permanganate that coins 4.00 moles of solute would be

A: Molarity is a concentration term which is defined as the number of moles of solutes dissolved per…

Q: Which way of expressing concentration includes (a) volume of solution; (b) mass of solution; (c)…

A: Mass percentage It is the amount of solute in grams present in 100 grams of the solution. Therefore,…

Q: Choose the most suitable definition for "enthalpy of solution". Select one: O a. The quantity of…

A: Enthalpy of solution also known as heat of solution.

Q: For each of the following solutions, the number of moles of solute is given, followed by the total…

A: Molarity defined as no. of moles of solute present in 1 liter of solution.

Q: 2. What is the difference between a strong electrolyte and a weak electrolyte?

A: " Since you have asked multiple question , we will solve first question for you. If you want any…