9. If the mole fraction of methyl alcohol in a solution (with only water) is 0.28, what is the mole fraction of the water? a. 0.28 b. 0.72 c. 0.30 d. 0.36 10. Which of the following pairs are not miscible a. pentane and hexane c. hexane and water b. methyl alcohol d. benzene

Q: 4. A sulfuric acid solution containing 571.6 g H2SO4 per liter of solution has a density of 1.329…

A: Mass percentage of a solution/mixture is the ration of mass of solute/element/compound of interest…

Q: A solution is made using 92 g of A(MM = 92 g/mol) and 80.0 g of B (MM = 40 g/mol). What is the mole…

A: We know that the mole fraction of B comes out to be xb=na/na+nb

Q: The diving atmosphere used by the U.S. Navy in its undersea Sea-Lab experiments consisted of 0.036…

A: Given: Mole fraction of O2 = 0.036 mol. Mole of fraction of N2 = 0.056 mol. And mass of He = 8.13 g.…

Q: A solution is prepared by mixing 45 g of methanol (CH3OH) with 60 g of ethanol (CH3CH2OH). Use the…

A:

Q: Two volatile substances are mixed with one another so that the solution has a vapor pressure of 125…

A: Two volatile substances A and B mixed togetherOverall solution's vapour pressure , Ptotal = 125…

Q: Compute the boiling point elevation of a salt water solution that contains 3.35 g of NaCl dissolved…

A: The elevation in boiling point is expressed as:

Q: A solution is made by mixing 13.g of water and 73. g of acetone ((CH3)2CO). Calculate the mole…

A: To calculate mole fraction of water, it is required to calculate the moles of water and acetone…

Q: The pressure of of a 7.1039 mol sample of Ar in a 6244.5 ml container is measured to be 57684.76…

A: The given problem can be solved by using ideal gas equation as follows: PV=nRT…

Q: Calculate the mass of nitrogen dissolved at room temperature in an 80.0-L home aquarium. Assume a…

A: Any gas's quantity dissolve to specified liquid always relies directly over liquid's pressure. This…

Q: When solid sodium hydroxide (NaOH) pellets are dissolved in water, the temperature of the water and…

A: In combustion reaction, a chemical compound reacts with the oxidant mainly oxygen and formation of…

Q: Crystallization is used to? a) Separate soluble solid from a liquid b) Separate insoluble solid…

A: It is the process to separate the solid components from the liquid solvents.

Q: Two volatile substances are mixed with one another so that the solution has a vapor pressure of 125…

A: Raoult's Law is generally used to calculate the partial vapor pressure of volatile solute in a…

Q: Explain why bubbles form on the inside surface of a pan when water is heated.

A: Bubbles form on the inside surface of a pan when water is heated, which has to be explained below.

Q: At a certain temperature the vapor pressure of pure acscenic acid (HCH3CO2) is measured to be 261.…

A:

Q: The solubility of most gases in water decreases as the temperature increases because water is…

A: Solubility is defined  as ability of a solid, liquid, or gaseous chemical substance to dissolve in…

Q: solution is made using 197.5 g of water (MM=18.02 g/mol) and 120.0 g of ethanol(MM=46.07 g/mol).…

A: Given that: Mass of water= 197.5g Molar mass of water = 18.02g/mol Moles = given mass ÷ molar mass

Q: Statement: The vapor pressure of a solution is dependent on the mole fraction of the solvent. Is the…

A:

Q: 2ml of water is added to 4g of a powdered drug.The final volume is 3ml.Find the mass by volume…

A:

Q: Would octane dissolve in water? Why or why not?

A: No, octane will not dissolve in water.    We know that like dissolve like. And also octane is non…

Q: find the mole fraction of solute ( carbonic acid ) in a 1.13 M aqueous solution, with water as the…

A:

Q: The freezing point of water is 0.00°C at 1 atmosphere. How many grams of calcium iodide (293.9…

A: The freezing point depression formula is given as ∆Tf = i Kf m∆Tf =Change in freezing point…

Q: The vapor pressure of pure water is 23.80 torr at 25.00°C. Determine the vapor pressure of an…

A: We will first find mole fraction of each component. Then find vapor pressure of solution using…

Q: 1. ASSERTION: The solubility of gases in water follows the order O2 < N2 < SO2 < CO2 < NH3. REASON:…

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

Q: What is the mole fraction of ethanol in a solution containing 2.00 moles ethanol in 4.00 moles…

A: Given: Moles of ethanol = 2.00 moles Moles of water = 4.00 moles

Q: Find the intermolecular force ammonia has with water and the intermolecular force ammonia has with…

A: Solubility of any substance means the mixing of one component into the other component. If the…

Q: A certain liquid (A) has a normal boiling point of 127.80°C and a boiling point elevation constant…

A: We will calculate the question using colligative property i e. Elevation in boiling point.

Q: A 50.0-g sample of ethyl alcohol (C2H5OH) is dissolved in 75.0 of water. What is the mole fraction…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: A city is considering different water purification methods for supply. Which fact would help inform…

A: Answer - The correct option is (d) Reverse osmosis system are most expensive because of the use of…

Q: 3. What is the mole fraction of an isopropyl alcohol(C2H7OH) alcohol made by 70% by mass? a.) What…

A: The 70% by mass of alcohol means 70 g of alcohol in 100 g of solution. The moles of isopropyl…

Q: Jas mixture Called Hellox, 6.11/.02 and 9 3. 1. He oy mass it used in d cuba tanks for descent8…

A: Mole fraction of a gas is calculated using formula : Mole fraction (χ) =Moles of gas Total moles So,…

Q: The freczing point of water is 0.00C at I atmosphere A student dissolves 14.48 grams of ammonium…

A: Given data: The freezing point of water=0.0°C. Mass of Ammonium nitrate (solute)=14.48 g. The molar…

Q: The molarity of a sulfuric acid solution is 0.01 M. Express this concentration in % by mass, ppm,…

A: Given, 0.01M Density of water is 1 g/mL; molar mass of sulfuric acid is 97.08 g/mol.

Q: Which functional group: alkane, ketone, or alcohol is likely to be the least soluble in water? What…

A: Like dissolves like  Means polar dissolves polar And non polar dissolves non polar.

Q: The diving atmosphere used by the U.S. Navy in its undersea Sea-Lab experiments consisted of 0.036…

A: Since the mass of component = mass of sample X mole fraction of sample  Hence mas of oxygen  = mole…

Q: Aqueous ammonia is commercially available in a solution that is 28% by mass ammonia. What is the…

A:

Q: Calculate the mole fraction of sulfuric acid (H2SO4) in 8% (w/w) aqueous H2SO4 solution. Assume that…

A: w/w % concentration of sulfuric acid = 8 %Mass of aqueous solution = 100 gHere we have to…

Q: What is the mole fraction of O2 in a mixture of 6.00 g He, 19.0 g O2, and 21.0 g N2?     0.608…

A:

Q: The solubility of a gas in water at 25 °C and 4.48 atm pressure is 0.506 mol L-1. Determine the…

A: Given: The solubility of a gas at 25 ∘C and 4.48 atm pressure = 0.506 mol L-1 We have to calculate…

Q: How do solutions differ from compounds? From other mixtures?

A: The difference of solutions from compounds and the difference of solutions from the mixtures need to…

Q: moles of KMnO4 are in 5.53 g

A: Number of moles = mass/molar mass Volume is directly proportional to temperature at constant…

Q: [References] The diving atmosphere used by the U.S. Navy in its undersea Sea-Lab experiments…

A: Given : Total mass = 8.58g Mole fraction of O2 = 0.036  Mole fraction of N2 = 0.056  Mole fraction…

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: C 18. A solution that is 33.6 % by mass of phenol (C&HSQH) in water is prepared. What is the mole…

A:

Q: If 2.00 g of helium gas and 5.29 g of oxygen gas are mixed together, what is the mole fraction of…

A:

Q: A 20.0-g sample of methyl alcohol (CH3OH, molar mass = 32.04 g/mol) was dissolved in 31.5 g of…

A:

Q: For a molecular species, its molar mass in g/mole would be the same number as its molecular mass in…

A: Mass of one atom of oxygen = 16 amu  .....we know Mass of one mole of oxygen  (is given by formula)…

Q: A 500mL solution is prepared by dissolving 125g of HCl in water. If the density of the solution is…

A: The division of mole of any specific species to the total moles of all the species available in any…

Q: Example 9. A solution contains 25 per cent water, 25 per cent ethanol and 50 per cent acetic acid by…

A: Given: % by mass water=25%% by mass ethanol=25%% by mass acetic acid=50% To find: Mole fraction of…

Q: Compute the boiling point elevation of a salt water solution that contains 3.90 g of NaCl dissolved…

A: The equation required to calculate the boiling point elevation is shown below, Calculate the moles…