Calculate the molarity and molality of Ammonia (NH,) if it is in a solution composed of 15.3 g NH, in 40.7 g of water. The density of the solution is 0.950 g/mL and the density of water is 1.00 g/mL.

Q: The freezing point of ethanol is -114.6°C. The molal freezing point depression constant for ethanol…

A: Freezing point of ethanol = =-114.6 °C molal freezing point depression constant = 2.00 °Cm mass of…

Q: the molality of Cu(NO3)2 in a solution containing 38.5g Cu(NO3)2 in 154.1g of water.

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Q: Does the solubility of carbon dioxide increase or decrease with an increase in temperature?

A: The solubility of carbon dioxide has to be predicted when there is an increase in temperature has to…

Q: How does adding solutes to a solution affect the boiling point of the solution and how does adding…

A: Answer :-----Adding solutes to a solution affects the boiling point and freezing point are :--For…

Q: The lattice energy (U) for MgCl2 is -2540 kJ/mol and the enthalpy of hydration for Mg2+ is -1903 kj/…

A: The enthalpy of solution (ΔHsol) can be calculated using the lattice energy and the enthalpy of…

Q: A solution is made using 78.7 g of dimethyl ether (MM = 46.07 g/mol) and 110.0 g of methanol (MM =…

A: Consider the given information as follows; Mass of dimethyl ether (solute) = 78.7 g Molar mass of…

Q: A solution contains 0.154 mol NaCl and 0.957 mol H,0. Calculate the vapor pressure of the solution…

A: The given problem is based on the relative lowering in vapour pressure which is explained on the…

Q: At 25°C the vapor pressure of pure water is 23.8 torr. What is the vapor pressure of the above…

A: Vapor pressure of pure water (Psolvent) = 23.8 torr mass of NaCl = 26.5 g mass of H2O = 100 g - 26.5…

Q: A potasium carbonate solution is 14.6% KCO3 by mass and has a density of 0.68 g/mL. Calculate…

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Q: The dissolution of KCI is an endothermic process, so heat is consumed in the process. You can write…

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Q: What is the molality of a 10.0 M sodium chloride solution that has the density of 1.32 g/mol?

A: Let us consider the volume of solution be 1000 ml or 1 L . molarity of solution = 10.0 M = 10.0…

Q: made by dissolving 4.8 g of phenol (C6H5OH with a molar mass of 94.11 g/mol) in 558 g of ethanol…

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Q: What is the molality of a solution

A: Molality = number of moles of solute/mass of solvent in kilogram  Number of moles = mass/molar mass

Q: A solution is made using 90.1 g of dimethyl ether (MM = 46.07 g/mol) and 110.0 g of methanol (MM =…

A: Molality of the solution is equal to the number of moles of solute present in one kilogram of the…

Q: 4.) What is the molality of a 5.117 M solution of phosphoric acid with a density of 1.254 g/mL?

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Q: Calculate the molality of a solution prepared by dissolving 13.7 g of sodium hydroxide (NaOH) in…

A: The molality of a solution is calculated by the formula, m=msMs×mS×1000......(1) Where, ms is the…

Q: A solution contains 6.75 x 10-2 g of a compound in 8.35 g of ethanol. The molality of the solution…

A: Molality (m) of a solution is defined as the number of moles of solute per kg of the solvent. Thus,…

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: Determine the molality of a solution made by dissolving 55.1 g of LiF in 891 g of H2O.

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Q: The sulfuric acid in a car battery has a density of 1.225 g/cm³ and is 3.75 M. What is the molality,…

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Q: If a solution of chloride in water is 0.354 M CL- at 25C, and the density of the solution 0.456…

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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: The mole fraction of copper(II) nitrate in an aqueous copper(II) nitrate solution is

A: Given: Mole fraction of Copper(II) nitrate in an aqueous Copper(II) nitrate solution = 0.126 To…

Q: A solution is made using 79.9g if phenol (MM = 94.21 g/mol) and 90.0 g of acetone (MM = 58.08…

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Q: 9. Compare the equal-molarity solutions of table salt (NaCl) in water and sucrose in water to pure…

A: ∆Tb = i×Kf×m          ∆Tb = Boiling point of solution - Boiling point of Water   i is van't hoff…

Q: 2.877g of barium nitrate is dissolved in 200.0 grams of water. calculate the new freezing point,…

A: Given data is as follows: The mass of barium nitrate = 2.877 g The mass of water = 200.0 g The…

Q: What is the Molarity of a solution if the molality is 1.11 m, the density of the solution is 1,149…

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Q: At a particular temperature, the solubility of Kr in water is 0.060 M when the partial pressure is…

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Q: A solution is made using 88.1 g of dimethyl ether (MM = 46.07 g/mol) and 110.0 g of methanol (MM =…

A: Given : We have to calculate the molality .

Q: Calculate the molality of a solution formed by adding 2.10 g NH4Cl  to 13.8g of water.

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Q: At a particular temperature, the solubility of He in water is 0.080 M when the partial pressure is…

A: Henry’s law is used to calculate the partial pressure of Helium,