What mass of ammonia (NH3) must be dissolved in 475 g of methanol (CH4O) to make a solution with a ?molality of 0.250 m 8 8.42O g 1.19O g2.02 O 84.94O

Q: A 2.46 L aqueous solution of KOH contains 159 g of KOH. The solution has a density of 1.29 g/mL.…

A: The solution has two components, one is KOH and other is solvent.KOH here is solute.moles of…

Q: A solution of 0.630 g of an organic compound in 100.0 g of benzene has a freezing point of 5.303°C.…

A: Molality: In 1000 gram or 1 Kg of the soiute, the moles of the solute present is called the molality…

Q: How many grams of NaCl (molar mass = 58.44 g/mol) needs to added to 0.500 kg of water to create a…

A: Molality = number of moles of solute/Mass of slovent in kg Number of moles of solute = Mass of…

Q: A solution has a solvent volume of 250. mL and contains 54.8 g of Na2SO4 . What is the molality of…

A: Molarity is the ratio of the number of moles of solute dissolved in one liter of a solution. unit of…

Q: 1. If a 23.6 g sample of a nonelectrolyte is dissolved in 136.0 g of water, the resulting solution…

A: Note - Since you have asked multiple question, we are bound to solve only the first question for…

Q: a solution is made using 194.3 g of toulene (MM = 92.13 g/mol) and 80.0g of benzene (MM=78.11 g/mol)…

A: Given, Mass of toluene (solvent) = 194.3g. Molar mass of toluene = 92.13g/mol. Mass of benzene…

Q: A solution is made using 79.9 g of phenol (MM = 94.11 g/mol) and 90.0 g of acetone (MM = 58.08…

A:

Q: The density of an aqueous solution containing 15.0 percent of ethanol (C2H;OH) by mass is 0.976…

A: Given information: Density of solution of ethanol = 0.976 g/mL Mass percent of ethanol - 15.0 %,…

Q: A 1.94 L1.94 L aqueous solution of KOHKOH contains 187 g187 g of KOHKOH. The solution has a density…

A: Given:Volume of solution = 1.94LDensity of solution = 1.29 g/mlGiven Mass of KOH = 187g

Q: What mass of ammonia (NH3) must be dissolved in 475 g of methanol (CH40) to make a solution with a…

A: given, molality of a solution = 0.250m mass of solvent, methanol = 475g = 0.475 kg

Q: A 2.28 L aqueous solution of KOH contains 199 g of KOH. The solution has a density of 1.29 g/mL.…

A: Molarity means in 1000 ml solution how many moles solute present. If x mol solute present in 1000ml…

Q: An aqueous solution is prepared by dissolving 72.0 g glucose (180.18 g/mol) in enough water to make…

A: Number of moles of glucose (solute) is calculated as follows,

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 water is 0.00°C at 1 atmosphere. If 13.73 grams of barium bromide, (297.1…

A: molality is defined as number of moles of solute in solution of 1kg of solvent. let solve the…

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

A:

Q: 3. The concentrated sulfuric acid we use in the laboratory is 98.0 percent H2SO4 by mass. Calculate…

A: d = 1.83 g/mL M(H2SO4) = 98.08 g/mol then we have to calculate molarity of total solution,

Q: A 2.0 L aqueous solution contains 0.25 mole of CaCO3. What is the concentration (molality) of the…

A:

Q: The concentrated sulfuric acid we use in the laboratory is 98.0 percent H2SO4 by mass. Calculate the…

A:

Q: molality

A: Molality =Moles of soluteMass of solvent in kg

Q: A solution is made using 90.1 g of dimethyl ether (MM = 46.07 g/mol) and 110.0 g of methanol (MM =…

A: Molality of the solution is equal to the number of moles of solute present in one kilogram of the…

Q: Calculate the molality of a solution that contains 51.2 g of naphthalene, C10H8, in 500 mL of carbon…

A: The first step is to calculate the molar mass of the substance that is of naphthalene. It can be…

Q: 10) The density of 85% by mass of H3PO4 solution is 1.685 g/mL. of this solution Calculate a)…

A:

Q: A solution is prepared by dissolving 30.0 g of ammonium sulfate, (NH4)2SO4, in 70.0 g of water. The…

A: The ratio of moles of solute to the mass of solvent in kg is known as molality.

Q: A solution is made using 180.3 g of hexane (MM = 86.18 g/mol) and 200.0 g of octane (MM = 114.2…

A: Molality is defined as number of moles of solute dissolved in per kg of solvent.  To calculate the…

Q: 2. Calculate the molality of a 35.4 percent (by mass) aqueous solution of phosphoric acid (H3PO4).…

A:

Q: A 2.19 L2.19 L aqueous solution of KOHKOH contains 201 g201 g of KOHKOH. The solution has a density…

A:

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: Calculate the molality of a solution containing 5.81 g of NaCl (58.44 g/mol) in 51.9 g of water.

A: Given:Mass of sodium chloride= 5.81 gMolar mass of sodium chloride= 58.44 g/molMass of water= 51.9 g

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: the molality of the toluene?

A: A solution is made using 117.3 g of toluene (MM= 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

Q: What is the molality, m, of a solution that contains 28.193 g of NaCl (58.44 g/mol) in 542.229 mL of…

A: Given: Mass of NaCl= 28.193 g Molar mass of NaCl= 58.44g/mol Moles of solute ,NaCl = mass of NaCl…

Q: 2A solution was prepared by dissolving 18.00 g glucose in 150.0 g water. The resulting solution was…

A: (a) Height in limit is characterized as the rise in the edge of boiling over of water on the…

Q: molar concentration

A:

Q: When a 41.1-g sample of an unknown compound is dissolved in 500.g of benzene, the freezing point of…

A: Given the mass of the unknown solute = 41.1 g  mass of solvent, benzene = 500. g * (1 Kg / 1000 g) =…

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 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 solution containing 8.0 g of an unknown liquid and 92.0 g water has a freezing point of -2.50 °C.…

A:

Q: The density of an aqueous solution containing 20.0 percent of ethanol by mass is 0.986 g/mL. (a)…

A:

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 82.5 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

A: Molality is difine as ratio of mole of solute and weight of solvent in kg. m=( mole of…

Q: what volume of solution in liter is required to make a 1.5 M solution by dissolving 10.3 grams of…

A: Molarity of the solution is number of moles of Solute present in one liter of solution. It is…

Q: Calculate the molality of 17.0 g benzene (C,H6, MM = 78.11 g/mol) in 28.0 g CCI4. 1.11 9.99 O 7.77…

A: given, mass of benzene = 17.0 g molar mass of benzene = 78.11 g/mol mass of CCl4 solvent = 28.0 g =…

Q: solution

A: Given values- Weight of water (solvent)=1000gm=1kg Depression in freezing point =2.45°C   Molar mass…

Q: What mass of ammonia (NHa) must be dissolved in 475 g of methanol (CHO) to make a solution wit a…

A: Given data: The mass of the solvent that is methanol is 475 g. The molality of the solution is…

Q: A solution of 0.890 g of an organic compound in 100.0 g of benzene has a freezing point of 5.107°C.…

A: Freezing point of pure solvent = 5.500°C  Freezing point of solution = 5.107°C  ∆ Tf = Freezing…

Q: 1) If 10.0g of glucose (C6H12O6) is present in 2.0 L of aqueous solution, what is the concentration…

A: Molarity is defined as the moles of a solute per liters of a solution. Molarity is also known as the…

Q: Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of…

A: Given : Freezing point of solution = -14.5 ⁰C  Volume of solvent = 275 ml  Kf = 1.86 ⁰C kg mol-1