The boiling point of a solution containing 7.51 g of a nonvolatile hydrocarbon in 102.2 g of acetone is 57.08oC.  What is the molecular weight of the hydrocarbon?  For acetone, Tb = 55.95oC and Kb = 1.71 oC/m

Q: 435 mL of a 2.2% v/v solution of ethyl acetate, C,Hs O2, in water mL of C,Hs O2 mL of water

A: Volume of ethyl acetate and water can be determined as: 2.2% v/v means 2.2 mL of ethyl acetate is…

Q: The freezing point of t-butanol is 25.50oC and Kf is 9.1oC .kg/mol. Usually t-butanol absorbs water…

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Q: Determine the molar mass of an unknown nonvolatile solute of a nonelectrolyte compound raising the…

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Q: 4- Two organic solvents (A and B) form an ideal solution when they mixed at 25 °C. The vapor…

A: Recall the relation to calculate vapor pressure of the solution obtained by mixing A and B…

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A: The solution of 7.50% V/V contain 7.5 mL of ethylene glycol and 92.5 mL of water. To make the volume…

Q: The boiling point of methanol is 72.2 oC. The molar boiling point elevation constat for methanol is…

A: Moles of acetic acis is 0.8333 mol.

Q: The enthalpy of solution for AgNO3 is +22.6 kJ/mol. What can you conclude about the relative…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: 1. A student determines the molar mass of acetone, CH3COH3, by the method used in this experiment.…

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Q: calculate the osmotic pressure in atm of a soultion with a voulme of 401.6 mL that contains 7.1…

A: Data given is Volume=401.6 mL = 0.4016 L And mass given=7.1 gm Temperature given=158.9 K Let's…

Q: 30 20 KCIO 10 -Ce2(so) 10 20 30 40 50 60 70 80 90 100 Temperature (°C) 8. How many grams of KCl will…

A: The solubility curve is given for each species. The mass of each species required that will form a…

Q: The osmotic pressure of a solution formed by dissolving 0.025 g of aspirin (C,H;O4) molar mass=180…

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Q: A solution of toluene (C₇H₈) in 206 g of cyclohexane (C₆H₁₂) has a boiling point of 90.30 °C. What…

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Q: What is the molality of sodium ions in a solution containing 50.0 g of Na2SO4 [MW = 142] in 250.0 g…

A: Molality (m), or molal concentration, is the amount of a substance dissolved in a certain mass of…

Q: What is the % w/v of 10.0 mL of CH3OH (methanol) dissolved in water to a volume of 40.0 mL?

A: General chemistry.

Q: The molarity of saturated solution of Ammonia at 90 C is O a. 5.000 O b. 0.588 O c. 6.100 O d. 5.880

A: Molality = number of moles of solute ÷ volume of solution in litre

Q: State how to prepare the following solutions. Identify the solute and the solvent for each…

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Q: A solution was made by dissolving 82.4g of urea (MM=60.06g/mol) in 212 ml of water at 35ºC? What is…

A: Number of moles = given mass/ molar mass Mole fraction of solvent = (moles of solvent)/(moles of…

Q: What is the molar concentration of a 27% acetone (CH3COCH3) solution?

A: Given: (w/v)% of acetone = 27%

Q: The lattice enthalpy of sodium chloride, AH° for NaCl(s) → Na* (9) + Cl¯(g) is 787 kJ/mol; the heat…

A: The lattice enthalpy of NaCl is given as 787kJ/mol. Heat of aqueous NaCl solution is +4.0kJ/mol. The…

Q: Boiling point of pure water at p = 1atm is 100.00 oC. What is boiling point of the solution obtained…

A: Given data, Boiling point of pure water at p = 1atm is 100oC Weight of fructose = 30 g Molar mass of…

Q: solution made by dissolving methyl salicylate, C7H6O2, in benzene, C6H6 had a freezing point of…

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Q: How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator…

A: According to the equation for depression in freezing point  △Tf = Kf × wGMW×Wkg where w = Wt of…

Q: A solution is made by dissolving 20.0 mL CH,CN (density = 0.786 g/mL) in 100.0 mL CHCI, (density =…

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Q: What is the boiling point elevation of a solution prepared by dissolving 180.0 grams of barium…

A: M

Q: What is the boiling point of a solution made using 843 gg of sucrose, C12H22O11C12H22O11, in 0.300…

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Q: State how to prepare the following solutions. Identify the solute and the solvent for each…

A: substance that is dissolved into another substance, is called solute. whereas substance that…

Q: What is the freezing point (in degrees Celcius) of 4.50 kg of water if it contains 151.6 g of CaBr2?…

A: Given : Mass of solvent i.e water = 4.50 Kg  Mass of solute i.e CaBr2 = 151.6 g Molar mass of CaBr2…

Q: The normal boiling point of chloroform CHCl3 is 61.700 °C and its Kbpvalue is 3.67 °C/m. In a…

A: The elevation in boiling point can be calculated as follows,

Q: What is the freezing point (in K) of a solution made by dissolving 19.607g of CCl4 in 130.0 g of…

A: 19.607 g of CCl4 is dissolved in 130.0 g of benzene . Pure benzene has a freezing point of 5.5 °C…

Q: 9) Adding Ig of benzene, CaHs, to 70g cyclohexane, CaH12, lowers the freezing point of the…

A: Given, mass of benezene added = 1g mass of cyclohexane = 70 g Change in temperature =

Q: State how to prepare the following solutions. Identify the solute and the solvent for each…

A: 1. Given, 70 % v/v solution of Ethyl alcohol, C2H6 O, in water 70% v/v solution means presence of 70…

Q: Calculate the mass of glucose required to prepare 200 ml of a 25% (m/v) glucose (C6H12O6) solution.…

A: Volume = 200 ml  Mass by volume percent = 25 %  Mass of glucose = ?

Q: What is the Normality of a sulfuric acid solution containing 75% w/v of H2SO4 (98.0) and having a…

A: Normality: In 1000 mL or 1L of the solution, the gram equivalent of the solute present is called the…

Q: State how to prepare the following solutions. Identify the solute and the solvent for each…

A: Since you have posted a question with multiple sub-parts, as per our company guidelines we are…

Q: How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator…

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Q: What is the boiling point and freezing point of the solutions? Kb=0.512C*Kg Kf=1.186C*hg 1) 58.5…

A: Depression in freezing point and elevation in boiling point are both colligative properties. They…

Q: Which of the following solutions will have the greatest colligative effect? 2 moles of glucose…

A: Firstly, from the given data calculate the concentration of each species. The concentration is…

Q: Three common compounds used in "ice melt" are magnesium chloride, calcium chloride and sodium…

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts . If you…

Q: What is the osmotic pressure of a 0.333 M solution of C6H12O6 at 25°C?

A: Osmatic pressure is calculated by using below formula,

Q: What volume (in mL) of a 28.5 % v/v solution of ethyl alcohol in water would be needed to have a…

A: We have given that  What volume (in mL) of a 28.5 % v/v solution of ethyl alcohol in water would be…

Q: Omotic Pressure is a technique used to find the length of a polymer using its Molar Mass. If a 32.25…

A: We have given that  If a 32.25 mg sample of PVC (polyvinyl chloride) is dissolved in benzene to…

Q: State how to prepare the following solutions. Identify the solute and the solvent for each…

A: Volume/volume % is used to express the concentration of solution

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

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Q: What is the osmotic pressure formed by dissolving 44.2 mg of aspirin 1C9H8O42 in 0.358 L of water at…

A: The properties associated with the solution due to the presence of the non-volatile solute of a…

Q: 3. Vhat is the molarity of 500 mL Solution containing 3.0 mol f H2SO4? 4. How much sugar should be…

A: Given :  4.  Volume of water = 2000 ml  %w/v of sugar = 30 %  9. Weight of CO2 = 233 gm  Volume of…

Q: 4- Two organic solvents (A and B) form an ideal solution when they mixed at 25 °C. The vapor…

A: Given data: The temperature of the given ideal solution=25°C The partial pressure of the organic…

Q: Which one of the following statements is false? O Carbon tetrachloride, CC14, is more miscible with…

A: Stantement1- , correct, the CCL4 is a non polar solute and it more soluble in non polar solvent like…