Illustrate the calculation of the ppm concentration of a known amount of vaporised liquid in 1 L of closed vessel?

Q: When ethanol is added to water at 25 °C and 1 bar, the total volume of the solution changes…

A: A mole is defined as some of the chemical units it may be atoms, molecules, ions.…

Q: The partial molar volumes of two liquids A and B in a mixture in which the mole fraction of A is…

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Q: Calculate the solubility of hydrogen in water at an atmospheric pressure of 0.550 atm (a typical…

A: Total pressure = 0.550 atm Mole fraction of H2 = 5.00×10-7 Henry’s constant (kH) =…

Q: In a case where pressure drops below triple point, explain what will happen to the phase transition…

A: Triple point is defined as the temperature and pressure at which solid, liquid and vapour phases of…

Q: One tenth of a kg of an aqueous solution of HCl is poured into 0.2 kg of an aqueous solution of…

A: The mass of HCl and water are calculated as,

Q: Determine the mole fraction of ethanol in a 10% by volume aqueous ethanol solution. Given: Methanol…

A: A numerical problem based on mole fraction, which is to be accomplished.

Q: At 25 °C, the mass density of a 50 per cent by mass ethanol–water solution is 0.914 g cm−3. Given…

A: Mass of ethanol present in 100 g of solution = 50 g Mass of water present in 100 g of solution = 50…

Q: 3. The partial molar volumes of propanone (acetone) and trichloromethane (chloroform) in a mixture…

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

Q: Calculate the molar concentration of the polycyclic aromatic hydrocarbon (PAH), anthracene (178.23…

A: We have to calculate the molar concentration of water .

Q: complete the following table for aqeuous solution of potassium hydroxide. show complete solution.…

A: Given information: Density of solution = 1.29 Molality = 14.2 % by mass = 30.0 KOH = 56.11 g/mole…

Q: At 20 °C, the mass density of a 20 per cent by mass ethanol–water solution is 968.7 kg m−3. Given…

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Q: The solubility of oxygen gas in water is approximately 0.00507 g/L. When the temperature is 25…

A: The solubility of a gas in a liquid depends on the partial pressure of the gas on the liquid…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: Mass of palmitic acid= 112g Volume of benzene= 725mL Density of solution = 0.902 g/mL Palmitic acid…

Q: Calculate the mole fraction of each compound in a mixture 95.0 g ethanol, CH3CH2OH and 5.0 g water,…

A: Given : Mass of CH3CH2OH = 95.0 g And mass of water i.e H2O = 5.0 g Molar mass of CH3CH2OH = Atomic…

Q: Suggest an explanation for the observations that propanol, C3H7OH, is miscible with water and that…

A: According to concept of like dissolve like, polar molecule will miscible in polar solvent and…

Q: Calculate the mole fraction of HCl in a 7.10% (by mass) aqueous solution. A. 7.28×10−2 B. 3.64×10−2…

A: 7.1% by mass solution of HCl means that 7.1 g of HCl is present in 100 g of solution. The mass of…

Q: Describe the preparation of 500 mL of 2.45%(v/v) aqueous ethanol

A: The volume percentage is determined as the volume of solute upon volume of the solution multiplied…

Q: The partial molar volumes of propanone (acetone) and trichloromethane (chloroform) in a mixture in…

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Q: Explain how osmotic pressure measurements can be used to determine the molar mass of a polymer.

A: The properties that depend on the number of solute particles are called colligative properties. When…

Q: 5. What is the approximate molarity, molality and normality of a 13% w/w solution of H2SO4…

A: Given: percentage solution of sulfuric acid=13% Density of the solution=1.090g/ml The 13% solution…

Q: The partial molar volumes of propanone and trichloromethane in a mixture in which the mole fraction…

A: In this question we have to use following steps:  Mole fraction :   xa=nana+nb          xb=nbna+nb…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: Calculate the mole fraction of urea CO(NH2)2 in water at 25oC for a solution  containing 20 moles of…

A: Calculate the mole fraction of urea in water at 25°C for a solution containing 20 moles of urea/kg…

Q: The partial molar volumes of two liquids A and B in a mixture are 245.6 cm3.mol-1 and 194.2…

A: So we will calculate the volume of the solution.

Q: you dissolve 1.0g of the enzyme in water to make 250mL of solution. You measure the osmotic pressure…

A: Mass of enzyme = 1 g Osmotic pressure = 3.5 torr = 0.0046 atm Temperature, T = 298 K Volume of…

Q: The partial molar volumes of acetone (MW = 58.08 g mol−1) and chloroform (MW = 119.37 g mol−1),…

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Q: What is the expected freezing point of a solution of 17.3 mg C9H10O3 dissolved in 0.420 g camphor…

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Q: The addition of 28.0 g of a compound to 750 g of tetrachloromethane. CCI4, lowered the freezing…

A: Freezing point depression is given by equation: ∆T = Kf*m where Kf is  molal freezing point…

Q: Formulate the relationship between elevation of boiling point and lowering of vapour pressure and…

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Q: An aqueous solution containing 4% nonvolatile solute exerts a pressure of 1.002 bar at the normal…

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Q: Would freezing point depression be different for a volatile solute than for a nonvolatile solute?…

A: The freezing point(fp) of a solution is less than the freezing point of the pure solvent.That is a…

Q: What is the vapor composition of an equal molar mixture of acetone (Pvap = 285 mmHg @ 30 °C) and…

A: Given,  The vapor composition of an equal molar mixture of acetone (Pvap = 285 mmHg at 30 °C) and…

Q: You are given a 27 % (w/v) solution of psicose.                                                Molar…

A: Given, Note: 1 μmoles = 10-6 moles moles of psicose = 450 μmoles = 450 × 10-6 moles % (w/v) of the…

Q: What would be the vapor pressure for a mixture of 15 mL of benzene (f.w. = 78.1 g/mol, d=0.878 g/mL,…

A: The vapor pressure of the mixture can be obtained by the summation of partial pressure due to each…

Q: The binary water-phenol diagram is given below, in molar fraction, under the total pressure Pt = 1…

A: From the binary phase diagram of phenol-water system, there are two phases and these are homogeneous…

Q: Calculate the average partial molar volume (in cm³/mol) of MgSO4 in the interval [0.1, 0.2] mol of…

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Q: A solution of sugar (C12H22O11) in water is 20% sugar by weight. What is the molecular fraction of…

A: Given : weight % of sugar C12H22O11 = 20 %. Assuming 100 g of solution.

Q: Determine the molarity and mole fraction of a 1.01 m solution of acetone (CH3COCH3) dissolved in…

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Q: In a process plant, benzene is evaporating and is leaking into an air stream at the rate of 0.1 kmol…

A: Given: Rate of benzene flow in air = 0.1 Kmol/hour. And Rate of air flow = 8000 Kg/min.

Q: The partial molar volumes of two liquids A and B in a mixture in which the mole fraction of A is…

A: The Partial Volume of a substance in a mixture is defined as the increase of volume that occurs when…

Q: The vapor pressures of two volatile organic compounds, compound 1 and compound 2, at 20 °C are 79.2…

A: Mole fraction in gas phase of compound 2 is represented by Y2. This will be calculated by…

Q: A certain mixture contains 60% pentane, 30% hexane, and 10% heptane by mass. What is the mole…

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Q: Find the freezing point (Tr) and boiling point (Tb) of a solution containing 4.0g sucrose…

A: Given :  Weight of sucrose = 4.0 gm  Weight of water = 500 gm

Q: What is the concentration of O2 in freshwater? Air temperature= 295.65 K.  Air pressure = 1…

A: Given: Henry's constant of O2 = 1.3 X 10-3 mol/Kg.bar. Total pressure of air = 1 bar And mole…

Q: What are the mole fractions of hydrochloric acid (HCl) and water in 20% w/w) aqueous HCl solution?

A: Answer: Mole fraction of a compound in a solution is the ratio of its mole with total number of…

Q: Osmotic pressures are often reported in units of atmospheres or mm Hg. The latter implies that the…

A: One torr is approximately equal to the pressure required to raise the column of mercury by 1 mm.…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: