A solution is formed when 0.5822g butanol (MM= 74.121 g/mol) is dissolved in 87.0246g hexane (MM=86.18 g/mol). This solution has a density of 0.673g/mL. Determine mass percent, molality, mole fraction, parts per million.

Q: Calculate the molality of a solution formed by adding 5.70 g NH₂Cl to 18.2 g of water. 4 molality: m…

A: The objective of this question is to calculate the molality of a solution formed by adding 5.70 g of…

Q: Now a solution is prepared by dissolving solid FeCl3 ( molar mass = 162.2 g/mol)in water. If the…

A: Given that:                 Mass percentage = 26.0 %                 Density of solution = 1.25 g/mL…

Q: A solution is prepared by dissolving 19.3 g of ethylene glycol, C2H6O2, in 50.0 g of water.…

A: The concentration of any substance can be expressed in different ways such as molality, molarity,…

Q: An ethylene glycol solution contains 21.2 g of ethylene glycol (C2H6O2) in 85.4 ml of water.…

A:

Q: Consider naphthalene, C10H8. A solution of naphthalene is prepared by mixing 25.0g of naphthalene…

A: The molality of the solution is calculated as follows:

Q: A solution composed of 05.0 g strontium chloride (SrCl2) in 250 g of water at 22.7 "C. What is the…

A: The mole fraction can be defined as shown below:  Mole fraction of a component=Number of moles of…

Q: You and your lab partner decide to make a solution by dissolving 12.25 g of H2SO4 in      100.0 mL…

A:

Q: The vapor above a mixture of pentane and hexane at room temperature contains 35.5% pentane by mass.…

A:

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

A:

Q: 1. A solution containing water (H2O) and ethanol (CH3CH2OH) has an initial mole concentration…

A: The solution is heated to the boiling point of ethanol (78.4 °C). The vapor pressure of water at…

Q: When a 33.8-g sample of an unknown compound is dissolved in 500. g of benzene, the freezing point of…

A: Given mass of sample (solute) = 33.8 g mass of benzene (solvent) = 500 g freezing point of solution…

Q: A solution is prepared by mixing 25 mL of pentane (C5H12, d = 0.63 g/mL) with 45 mL of hexane…

A:

Q: Determine the freezing point of a solution that contains 78.8 g of naphthalene (C10Hg, molar mass =…

A: Given:Mass of napthalene (C10H8) = 78.8 gMolar mass of (C10H8) = 128.16 g/molDensity of benzene =…

Q: Convert the concentration of a. 5% (w/v) NaOH solution and b. 10% (w/v) sucrose solution into I.…

A:

Q: A student dissolves 11. g of aniline (C,H,NH,) in 250. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution and…

Q: Calculate the molarity and molality of an NH3 solution made up of 25.0 g of NH3 in 55.0 g of water.…

A: Answers are explained below. Calculation for the molarity of the solution is as follows:

Q: Calculate the vapor pressure of a solution made by dissolving 50.0 g CaCl2, in 500 g of water. The…

A: The given weight of CaCl2 is 50.0 g.The molar mass of CaCl2 is 110.98 g/mol. The formula to…

Q: Calculate the following concentrations for a solution of 0.800 g of calcium chloride, Cacl2, in…

A: Weight of CaCl2 = 0.800g Weight of water = 100g Density of solution = 1 g/ml So,  Molarity = n/V(l)…

Q: Calculate the molality of a solution formed by adding 9.60 g NH,Cl to 13.0 g of water. molality:…

A: We know that, molality = moles solute / kg solvent

Q: Find the molarity and molality of NH, if it is in a solution composed of 30.6 g NH, in 81.3 g of…

A: Given information,    Mass of NH3 = 30.6 g    Mass of water = 81.3 g    Density of solution = 0.982…

Q: An aqueous solution contains 0.180 g of an unknown, non ionic solute in 50.0 g of water. The…

A:

Q: 1. A 0.735 g of a covalent organic compound is dissolved in 15.00 g cyclohexane (freezing point =…

A: The depression in freezing point  is given by,                                       ΔTf = mKf…

Q: A student dissolves 6.6 g of resveratrol (C₁H,O,) in 300. ml. of a solvent with a density of 1.19…

A: Molarity (M) and molality (m) are very common terms used in chemistry. They are the units of…

Q: molarity molality

A:

Q: Consider naphthalene, C10H8. A solution of naphthalene is prepared by mixing 25.0g of naphthalene…

A: The vapour pressure of solution of naphthalene in carbon disulfide is calculated in step two.

Q: A solution is prepared by dissolving 8.62g of KCL (MM = 74.55 g/mol) into 265g of water. The density…

A:

Q: Calculate the molar mass of the compound.

A:

Q: A solution contains 22.5 g of methanol, CH3OH, dissolved in sufficient water to give a total mass of…

A:

Q: What is the molality of a solution containing 11.5 g of ethylene glycol dissolved in 145 g of water.…

A: Given, Mass of ethylene glycol (C2H6O2) = 11.5 g Note: 1000 g = 1 Kg Mass of water = 145 g = 0.145…

Q: What mass of H2O is needed to dissolve 4.69 g KMnO4 to produce a solution having a molality of 0.299…

A: Given, mass of KMnO4 = 4.69 g Molar mass of KMnO4 = 158.03 g/mol Molality of the solution (m) =…

Q: Determine the freezing point of a solution that contains 65.1 g of naphthalene (C10H8, molar mass =…

A: Given: Mass of Napthalene = 65.1g            Volume of benzene = 734 mL            Density of…

Q: What is the molality of a solution made by dissolving 92g ethanol (C2H6O) in 200g water?

A:

Q: A 70% sulfuric acid solution has a density of 1.326 g/cm3.  Find the molarity of the solution in…

A:

Q: A solution is prepared at 28°C and its concentration is expressed in three different units: percent…

A: Concentration is the amount of solute which can be dissolved in specific amount of solvent or…

Q: We mixed some ethylene glycol with 346 g water to reduce the equilibrium vapor pressure of water…

A: According to the question, The vapor pressure of the pure solvent is given by = Po = 23.76 Hg =…

Q: a sodium hydroxide solution that contains 41.5 grams of NaOH per L of solution has density of 1.08…

A: Given: mass of solute, NaOH = 41.5 g density of solution = 1.08 g/mL

Q: Ethylene glycol (C₂H₆O₂) is used as an additive to the water in your automobile to lower its…

A:

Q: 0.25g of a certain substance is dissolved in 60g of water. The freezing point of the solution is –…

A: When a solute is dissolved in the water, the vapor pressure of the solution is lower than the pure…

Q: solution is prepared by dissolving in 3.00 g of naphthalene ( C10H8 ) in 20.0 g of  benzene ( C6H6).…

A: Freezing point depression and boiling point elevation property of solution are colligative property…