A salt has a lattice energy of -844.4 kJ/mol and a heat of solution of -62.2 kJ/mol. What is the heat of hydration for the salt in kJ/mol? Report your answer to 1 decimal place.

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: An ethylene glycol solution contains 21.2 g of ethylene glycol (C,H,O2) in 85.4 mL of water.…

A: The freezing point of a solution is determined by: ∆Tf = Kfm The given information is: Mass of…

Q: Lithium chloride (LiCl) has a lattice energy of -834.0 kJ/mol and a heat of hydration of –871.0…

A:

Q: 29 g of KOH is dissolved in 250. mL of water. What is the mass percent of KOH in this solution?…

A: Hence you posted multiple choice questions, I will answer the first three sub questions. (1) mass of…

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

A:

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: Calculate the mass percent of a NaClNaCl solution in which 108 gg of NaClNaCl is dissolved in 4.72…

A:

Q: A solution is made using 218.8 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A:

Q: A student dissolves 16. g of urea not change when the urea dissolves in it. Calculate the molarity…

A:

Q: Consider a solution is prepared by dissolving 34.0 g of NH3 in 500.0 g of water. The density of the…

A:

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 of isopropanol (MM = 60.10 g/mol) has a molality of 7.91 m and a density of 1.18…

A: Given data contains, Molality of isopropanol solution is 7.91m. Density is 1.18g/ml. Molar mass of…

Q: Calculate the molality if you added 1 teaspoon (15.0g) of sugar (342.3g / mol) to a 250.0 cup of…

A: Molality: It can be defined as that number of moles of solute dissolved per kg of the solvent. It is…

Q: What is the molality of a solution made by combining 2.3266 g sodium hydroxide, NaOH, with 0.3400 L…

A:

Q: An aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 2.57 m and a density of 1.25…

A: Molarity :-  The number of moles of solute dissolved in one litre of solution is defined as molarity…

Q: A solution is made using 236.2 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: Given :-  Volume of methanol = 236.2 mL Volume of water = 300 mL Density of methanol = 0.7920 g/mL…

Q: Use the data in figure 3 on page 2 to calculate the molecular formula of sulfur (S x)—that is,…

A: The molecular formula of sulfur (S x)—that is, the whole number value of “x.” has to be determined.

Q: An aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 4.45 m and a density of 1.25…

A:

Q: A solution is made using 257.7 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: Given: Volume of methanol = 257.7 mL Density of methanol = 0.7920 g/mL Volume of water = 300.0 mL…

Q: A solution is made using 128.3 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

A:

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

A:

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: Your favorite household cleaner is a 30% aqueous solution of ammonia (NH3) by volume. The typical…

A: M = (1000 ×w)/(MM × V)Where, M = molarity; w = mass of NH3 in g; MM = molar mass of NH3; V = volume…

Q: A student dissolves 10. g of aniline (C6H5NH₂) in 425. mL of a solvent with a density of 0.98 g/mL.…

A: Given : mass of aniline = 10 g  Tip : molarity = moles / volume of solution (L)      Molality =…

Q: The concentration of NaCl(aq) in a beaker is 2.00 M. What is the molality of the NaCl solution?…

A: The Molarity of NaCl = 2.00 M Means moles of NaCl = 2.00 mol present in volume of 1 L water . So…

Q: The solubility of a substance is 60.0 g per 100.00 mL of water at 15°C. A solution of this substance…

A: Given: Solubility of substance at 15 oC = 60.0 g/100.00 mL of water. Mass of substance dissolved in…

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

A:

Q: If a 24 g sample of a nonelectrolyte is dissolved in 156 g of water, the resulting solution will…

A:

Q: What mass of NaCl is dissolved in  400. g   water in as 0.250 m solution?

A: 1- First calculate the moles of NaCl :  Mass of solvent = 400g × ( 1kg / 1000g )  We know that, 1kg…

Q: A student dissolves 12. g of benzoic acid (C,H,0,) in 100. mL of a solvent with a density of 0.88…

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

Q: Determine the molal concentration of NaCl solution in water that has a freezing point of -2.1 degree…

A: Recall the data, Kf for water=1.86 °Cm Freezing point of solution=-2.1°C Molal concentration of…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.