What is the activity of liquid water of a multicomponent solution in which the vapor pressure of water is 748.2 mmHg at 100.0 0C?

Q: Molybdenum is BCC and has an atomic radius of 0.14nm. Calculate a value for its lattice constant a…

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Q: Describe how you would prepare approximately 2.0L of 0.050 m (molality) of boric acid, B(OH)3

A: Molality is defined as moles of solute present per kilogram of solvent Hence molality = moles of…

Q: Assume that the solubility of carbon dioxide gas in pop at 5oC is 0.586 g/100 mL and at 20oC its…

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Q: Lake Titicaca is situated at an altitude of 3810 m in the Bolivian Andes. Calculate the solubility…

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Q: The mean activity coefficient of a 0.2 b Mg (NO3)2 solution is 0.13 at 25oC. Calculate the mean…

A: Given, Compound : Mg(NO3)2

Q: The mean activity coefficient of a 0.040 m H2SO4 solution is 0.354. What is its mean ionic activity?…

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Q: Define: A chemical component An ideal solution State Raoult's Law

A: A Component means an element or a part of the element that combines with another element to make a…

Q: 0.9% (w/v) sodium chloride (MW = 58.44 g/mol) solution (Normal Saline Solution) has an osmotic…

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Q: Rank the following solutes in order of increasing entropy when 0.0100 moles of each dissolve in 1.00…

A: Entropy increases means nothing but disorder ness increase.Compound gives more number of ions…

Q: Calculate the osmotic pressure in bar units glucose aqueous solution at 25.000C with a concentration…

A: Temperature = 25.00°C  ...Or  because °C + 273 = k   ...So  25.00 °C + 273 = 298 k  Concentration =…

Q: What is the total equilibrium vapor pressure of a benzene toluene solution if the mole fraction of…

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Q: Two liquids A and B mix to form an ideal solution. Consider A to be the solvent (majority component)…

A: The Gibbs free energy is a thermodynamic quantity which is used to calculate the maximum amount of…

Q: The sign of the molar heat of solution (whether it is endothermic or exothermic) of a solid solute…

A: 1.) To explain which of the following statement is true for molar heat of solution during…

Q: 150.0 mL of 0.300 mol/L KOH is added to 150.0 mL of 0.300 mol/L HF. The resulting neutralization…

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Q: A 0.512 g sample of an unknown nondissociating solute was dissolved in 25.0 g of camphor (Kf =…

A: Molality of the solution is obtained from the equation for freezing point depression. Van’t Hoff…

Q: The enthalpy of solution for potassium perchlorate - KCIO4 is +51.04 kJ/mol. How many grams of…

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Q: Calculate the van’t Hoff factor, i, for the following weak electrolyte solution: 0.050 m HCHO2,…

A: 1- In this question, we want to determine the van't hoff fector ( i )  You can see the solution…

Q: Calculate the Kc for 2NO(g) + Br2(g) ⇌ 2NOBR(g) with Kp=2.4 at 373 K. Show your solution.

A: The relationship between Kp and Kc is as follows :  Kp= Kc(RT)^∆n  where , R= constant = 8.314…

Q: Calculate the molality of phosphoric acid (H3PO4) in a 34.5% (by mass) aqueous solution.  A. 5.37 m…

A: The ratio depicting solute's moles contained in solution weighing 1 kg solvent is designated as…

Q: The dissolution of NH4 ClO4(s) in water is endothermic with Delta H solution =33.5 kf/mol. if you…

A: Concentration of solution = 1 m 1 Molal solution = 1 mole of solute in 1 kg of water Mass of 1 mole…

Q: Question 9 Consider a solution consisting of 1.75 mol water and 0.97 mol ethanol. What is the Gibbs…

A: Number of moles of water = 1.75 moles  Number of moles of ethanol = 0.97 moles  Gibbs energy of…

Q: Vapour pressure of water at 20 °C is 17.5 mm Hg. Calculate the vapour pressure of water at 20 °C…

A: On the addition of solute in the solvent, the vapor pressure of the solution decreases. The relative…

Q: For an ideal solution, which of the following is/are true? I. ΔH = 0 II. ΔS = 0 III. P solution = Ʃ…

A: For an ideal solution, which of the following is/are true given below.

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: 3. The vapor pressure of methanol (1) at 298 K is 16.94 x 10³ Pa. Calculate A, G° (CH30H, g) –…

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Q: Which has the greatest vapour pressure at 25°C? SiO2 CO2 H2O

A: At constant temperature, vapor pressure depends on the intermolecular forces. Vapor pressure will be…

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: Some unknown compound reduces the freezing point of benzene from 5.53 to 4.80˚C. What is the…

A: Molality of a solution can be defined as number of moles of solute dissolved per kilogram of solvent…

Q: Calculate the molality of a solution containing 0.125 mol of a non - electrolyte solute dissolved in…

A: Molality is defined as the moles of solute present in 1 kg of the solvent.

Q: What is the freezing point of a Urea solution containing 30.0 g of urea and 70.0 g of water? Kf for…

A: ∆Tf=Kf×m Where, ∆Tf= Freezing point depression Kf= Cyroscopic constant m = Molality

Q: Given that the value of kf for water is 1.86°C/m, what is the freezing point of an aqueous solution…

A: given mass of NaCl = 427 g molar mass of NaCl = 58.5g mass of water = 1kg Kf of water = 1.86°C/m New…

Q: Calculate the freezing point of a solution that contains 5 grams of sucrose in 1000.00 grams of…

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Q: 3) Camphor (CioHıs0) melts at 179.8 °C, and it has a particularly large freezing point depression…

A: At a specific temperature, when vapor pressure of any particular substance in its liquid and solid…

Q: Discuss the basic thermodynamic concept behind freezing point depression.

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Q: What is the molality of a solution made by dissolving 28.8 grams of FeCl 2 in 515 grams of water?…

A: The molality defined as moles of solute dissolved in one Kg of solvent. First, we calculate the…

Q: What molality of nonvolatile solute is needed to lower the melting point of camphor by 1.050°C? (Kf…

A: Depression in freezing point: The depression in freezing point of a solution is directly…

Q: Calculate the vapor pressure of benzene, C6H6, at 25°C in an ideal solution containing 1.66 mol of…

A: According to Raoult's law; vapour pressure of a component of a mixture = vapor pressure of pure…

Q: Given that the value of Kf for water is 1.86°C/m, what is the freezing point of an aqueous solution…

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Q: If a pure solvent has a vapor pressure of 155 kPa, what is the value of the vapor pressure lowering…

A: Moles of solute = 2 Moles of solvent = 3 Vapour pressure of pure solvent = 155 KPa Lowering in…

Q: Non-ideal solutions exhibit either positive or negative deviations from Raoult’s law. What are these…

A: Raoult's law - It states that the partial vapor pressure of solvent in a solution is equal to vapor…

Q: Calculate the osmotic pressure in (atm) for 490mM K3PO4 at 300.7 K.

A: Osmotic pressure is a colligative property of a solution. The osmotic pressure of a solution depends…

Q: You have a sucrose solution of 28°Brix or 28 grams of sugar per 100 grams solution in a ripe grape…

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Q: 5.0 grams of an unknown compound (non-electrolyte) was dissolved in 100 g of water. It was found to…

A: We have 5g, non electrolyte solute, 100 g water solvent, change of freezing point is 2K, Kf value is…

Q: What is the molality of the solution when 0.75 mol NaCl is dissolved in 1.23 kg water?   a. 0.095 m…

A: Molality - It is defined as the number of moles of solute per kilogram of solvent. Its SI unit is…

Q: At 25 °C the vapour pressure of ethanol, C2H5OH, is 0.08 atm. What is vapour pressure of a solution…

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Q: How is the solubility of oxygen in water affected by increasing temperature?

A: The gases are soluble in liquid and the solubility of a gas in a liquid depends on the nature of gas…

Q: The enthalpy of hydration of Li+1 is -520 kj/mol. Calculate the enthalpy of solution of LiF(s)

A: Given: Enthalpy of hydration of Li+1 = -520 kj/mol Lattice energy of LiF(s) = 1030 kJ/mol

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.