t of methanol is 64.7C. A solution containing a nonvolatie solute dissolve ethanol in this solution? nol

Q: A solution of 30.0 % ethanol (C₂H5OH) by weight has a density of 0.96 g/mL. Find its molality and…

A:

Q: ntifreeze solutions are aqueous solutions of ethylene glycol( d =1.12 g/ml) , In Connecticut, cars…

A: Density of ethylene glycol = 1.12 g mL-1 Depression in freezing point of water = ∆Tf = - 20 oF…

Q: A solution is prepared by combining 5.03 grams of an unknown non-electrolyte with 323.0 grams of…

A:

Q: The boiling point of an aqueous solution is 101.16 °C. What is the freezing point? Consult the table…

A: Given: Boiling point of aqueous solution is 101.16 oC. Boiling point of pure water is 100.0 oC. The…

Q: The density of acetonitrile CH3CN is 0.786 g/ml and the density of CH3OH is 0.791 g/ml. A solution…

A: Molality: It is defined as the number of moles of solutes dissolved per kg of the solvent. It is…

Q: A 0.944M solution of glucose, C6H12O6, in water has a density of 1.0624g/mL at 20oC. What is the…

A: Molarity=0.944 M           =no of moles of solutevoulme of solution in litre

Q: A solution is made using 134.1 ml of phenol (density 1.090) and 500.0 ml of water (density 1.000).…

A: Given  Volume of phenol = 134.1 ml density of phenol = 1.090 gm/cm3 Volume of water   = 500 ml…

Q: The boiling point of an aqueous solution is 101.21 °C. What is the freezing point? Consult the table…

A:

Q: A student dissolves 0.180g of an unknown molecular solid in 50.0g of water and finds the freezing…

A: We will have to use the formula: ΔTf     =   i*m*Kf m = molality of solution  mass of solvent = 50 g…

Q: Calculate the amount of water (in grams) that must be added to 5.00g of glucose in the preparation…

A: Given: The mass of glucose (solute)= 5.00g            The percent by mass of a solution= 32.4%

Q: A solution contains 22.0 g of HCI dissolved in sufficient water to give a total mass of 125.0 g.…

A: Number of moles of HCl is:

Q: Calculate the molality of a solution that contains 70g naphthalene C10H8 in 100 g of water. The…

A: Given :-  Mass of naphthalene = 70 g  Mass of water = 100 g  To calculate :-  Molality of solution

Q: A solution contains 20.0% (by mass) of ammonium sulfate, (NH4)2SO4, andhas density of 1.12g/mL. (a)…

A: Molarity is defined as the number of moles of the solute divided by the volume of the solution in…

Q: The freezing point of ethanol CH3CH2OH is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte…

A:

Q: 1. A solution with a density of 0.876 g/mL contains 5.0 g of toluene (?7?8) and 225 g of benzene…

A: The concentration of solution is calculated in the different forms such as molarity, molality, mole…

Q: What mass of carbon dioxide (in g) is dissolved in 1,248.9 mL of water at 25°C when the partial…

A:

Q: mo M Calculate the molality of the following commercial reagent, given the following data. Assume…

A: By calculating the moles of solute and kilogram of solvent value, we can calculate the molality of…

Q: A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 12.27 %…

A: Concentration of napthalene in hexane 12.27%by mass Vapoue Pressure of pure hexane=151 torr Molar…

Q: A solution contains 0.0653 g of a compound in 8.31 g of ethanol. The molality of the solution is…

A: Molality and mole are given by,

Q: The boiling point of an aqueous solution is 101.68 °C. What is the freezing point? Consult the table…

A:

Q: A certain sample of concentrated hydrochloric acid is 54.9 % HCI. Calculate the molality of this…

A: To calculate the molality , we would need moles of HCl and mass of solvent .  So we would use given…

Q: A solution is prepared by dissolving 28.4 g of glucose (C6H,206 ) in 355g of water. The final volume…

A: Concentration or Molarity is given as below formula  Concentration of substance A = ( Number of…

Q: The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 27.3%. What is the…

A: Given, molar mass of Acetonitrile = 41.05 g/mol Mass % = 27.3 %  Let 100 g sample of this Solution…

Q: A solution contains 30 mLs of ethanol and 40 mLs of water the denisty of water is 0.789 the denisty…

A: Given :  Volume of water = 40 mL  Volume of ethanol = 30 mL  Density of water = 1g/mL  Density of…

Q: An amount of 5.12 g unknown compound is dissolved in 25.0 g of chloroform to form a solution that…

A: The amount of the unknown compound (solute) = 5.12 g The amount of the chloroform (solvent) =25 g…

Q: When you calculate the molality. The number of moles of solution is important. O True O False

A: Given statement : When you calculate the molality the number of moles of solution is important.

Q: A solution is prepared at 22°C and its concentration is expressed in three different units: percent…

A: We will write all terms and effect of temperature on them and answer the question.

Q: A solution is made using 80.1 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

A: Given, Solution made using 80.1 g of toluene and 80.0 g of benzene.

Q: A solution is made using 79.9g if phenol (MM = 94.21 g/mol) and 90.0 g of acetone (MM = 58.08…

A:

Q: A solution was in a prepared by dissolving 5.46 g of para-dichlorobenzene (C6H4Cl2) in 50.0 mL…

A: Molality of any solution can be determined by dividing the number of moles of solute by the mass of…

Q: A solution is made using 88.1 g of dimethyl ether (MM = 46.07 g/mol) and 110.0 g of methanol (MM =…

A: Given : We have to calculate the molality .

Q: A solution is prepared by adding 0.9 mol of KCl (MW = 74.55 g/mol) to 893 g of water. The…

A:

Q: In an aqueous solution of sulfuric acid, the concentration is 7.21 mol% of acid. The density of the…

A: Given: The concentration of an aqueous solution of sulfuric acid = 7.21 mol% The density of the…

Q: When 3,64 g of a nonelectrolyte solute is dissolved in water to make 765 mL of solution at 26 "C,…

A: Given Details:   Noneletrolyte  Solute - 3.64g Will get Solution - 765 mL Temperature - 260C   (T)…

Q: Calculate the molality of an NH, solution made up of 30.0 g of NH, in 70.0 g of water. The density…

A: Given values are, Mass of NH3 = 30.0 g Mass of water = 70.0 g=0.070 kg Standard value, Molar mass of…

Q: A solution contains 20.0% (by mass) of ammonium sulfate, (NH4)2SO4, and has density of 1.12 g/mL.…

A:

Q: An aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 1.61 m and a density of 1.25…

A: In this question we have to find out the molarity of acetone by the given data of molality and…

Q: A solution of 0.870 g of an organic compound in 100.0 g of benzene has a freezing point of 5.227°C.…

A: From given data Kf = 5.12°C/m Freezing point of solution T1  = 5.227 °C Freezing point of pure…

Q: A certain sample of concentrated hydrochloric acid is 30.8 % HCI. Calculate the molality of this…

A: Given, Percentage of concentrated hydrochloric acid (HCl) = 30.8 % Molality of the solution = ?…

Q: percent by mass

A:

Q: A 150 g of ammonium chloride solution is 15.00 % by mass with a density of 1.037 g/mL. Calculate…

A: Given: Mass of solution = 150 g. Density = 1.037 g/mL. And % by mass of NH4Cl = 15 %.

Q: What is the molality of a solution formed by dissolving 1.28 mol of KCl in 17.0 mol of water?

A: Given: Moles of KCl = 1.28 mol Moles of H2O = 17.0 mol Molar mass of H2O = 18.02 g/mol

Q: A NaOH solution is labeled as 6.75 M, what is its molality? Density of the solution is measured at…

A: Given that the molarity of the solution is 6.75 M and the density of the solution is given as…

Q: The freezing point of water is 0.00°C at 1 atmosphere. If 14.17 grams of sodium sulfide, (78.10…

A: Given, Freezing point of water is 0.00oC Amount of sodium sulfide is 14.17 g Molar mass of sodium…

Q: A solution is made using 125.4 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…

A: Mass of ethanol = density of ethanol × Volume = 0.7892 g/ml × 125.4 ml = 98.965 g So, no. of moles…

Q: An aqueous solution is made by dissolving 26.2 grams of chromium(II) iodide in 465 grams of water…

A:

Q: 5. If a solution has 0.20 moles of NaCl dissolved in 100.0g of water, what is it's molality? 6. If…

A:

Q: Explain the relationship between solubility and temperature for solute KNO3. Include solute KNO3’s…

A: Solubility is the amount of a substance that is required to form a saturated solution in a given…