A solution contains 22.5 g of methanol, CH3OH , dissolved in sufficient water to give a total mass of 105.3 g. The molar mass of CH3OH is 32.04 g/mol. What is the molality of the aqueous methanol solution?

Q: What is the molality of a solution containing 48.2g of CaO in 392g of solvent?

A: Since we only answer one question at a time, we'll answer the first one. Please resubmit the…

Q: molality of the 0.75 mol of salt (NaCl) dissolved in 155 g of water?

A: Given,  Moles = 0.75 mol Mass of solvent = 155 g = 0.155 Kg Molality = mole/mass of solvent(Kg)

Q: The percent by mass of phenol (MM = 94.11 g/mol) in an aqueous solution is 16.3%. What is the…

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Q: molarity and molality

A:

Q: Calculate the molarity of a solution prepared by dissolving 5.881 g NaCl in 250.0 mL of water. (MM…

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Q: A solution is prepared by dissolving 80.0 mg of potassium phosphate in 25 ml. of water. What is the…

A: Given, the mass of potassium phosphate =80.0 mg =0.08 gvolume of solution =25 mL we are asked to…

Q: What is the molality of a solution consisting of 2.77 mL of carbon tetrachloride (d = 1.59 g/mL) in…

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Q: The concentration of glucose, C6H12O6, in normal spinal fluid is 75 mg per 100 g. What is the…

A: The molality of a solution is defined as the number of moles of solute present in 1kg of the…

Q: Calculate the molality of saturated aqueous sodium chloride (58.443 g/mol). A saturated solution…

A: The molality of the solution is defined as the ratio of no of moles of solute to that of mass of…

Q: a solution contains 25.5 of NaCl dissolved in sufficient water to give a total mass of 325.0 g. What…

A: Given Mass of NaCl = 25.5 g Total mass = 325.0 g = 0.325 kg molar mass of NaCl = 58.44 g/mol 1)…

Q: A 1.30 M solution of CaCl2 in water has a density of 1.11g/mL. What is the molality?

A: Given information: Molarity of CaCl2 solution = 1.30 M Density = 1.11 g/mL

Q: A solution contains 22.4 g glucose (C6H12O6) dissolved in 0.500 L of water. What is the molality of…

A: Molality is the number of moles of solute dissolved in per kg of solvent. It is denoted by m. Its SI…

Q: When 4.08 g of a nonelectrolyte solute is dissolved in water to make 695 mL of solution at 21 °C,…

A: From given data  mass of solute = 4.08 g  volume of solution = 695 mL = 0.695 L T = 21°C = 275.15 K…

Q: A solution is made using 289.6 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: Formula used molality = no. of moles of solute/ kg of solvent Density = mass/volume

Q: The density of toluene, CHs, is 0.867 g/ml and the density of thiopene, CaH«S , is 1.065 g/mL. A…

A: Density of toluene = 0.867 g/ml Density of thiopene = 1.065 g/ml Volume of thiopene = 14.0 mL Volume…

Q: the percent by mass of glucose (MM=108.2g/mol) in an aqueous solution is 25.7% what is the molality…

A: Given, percentage by mass = 25.7 % Let the total mass of the mixture solution be 100 g Thus, mass of…

Q: What mass of glycerin (C3H8O3) must be dissolved in 165.7 g water to give a solution with a freezing…

A: Depression in freezing point is a colligative property. And colligative properties depend on the…

Q: aqueous solution is 21.9%. What is the molality of the ethanol solution?

A:

Q: An aqueous solution of glucose (MM = 180.2 g/mol) has a molality of 3.47 m and a density of 1.20…

A:

Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.290…

A: Let the molar mass of the solute be x. The molality of the solution can be expressed as follows-

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

A:

Q: An aqueous solution of glucose (MM = 180.2 g/mol) has a molality of 14.81 m and a density of 1.20…

A: The given value of molality of Glucose = 14.81 mThe given value of density of glucose solution =…

Q: What is the molality of a solution consisting of 44.0 mL of benzene (C₆H₆; d=0.877 g/mL) in 167 mL…

A: Molality is the concentration term which is defined as the number of moles of solute per kg of…

Q: A solution is prepared by dissolving 80.0 mg of potassium phosphate in 25 mL of water. What is the…

A: Given Mass of potassium phosphate = m = 80 mg = 0.08 g Molar mass of potassium phosphate= M =…

Q: A 1.25 M sugar (C12H22O11) solution has a density of 1.12 g/mL. What is the molality of this…

A:

Q: What is the molality of a solution prepared by dissolving 45.7 g of MgClz in 2.40 kg of water?

A: Given that, Mass of solute (MgCl2) =45.7 g Molar mass of MgCl2 = 95.211 g mol-1 mass of solvent…

Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 92.9%. What is the…

A: 1) Percentage by mass=92.9% 2) Molecular weight of methanol (MM=32.04 g/mol)

Q: An aqueous solution is 2.00 M urea. The density of the solution is 1.029 g/mL. What isthe molal…

A: Given data contains, Molarity of solution is 2.00 M. Density is 1.029 g/mL.

Q: A 0.559 M aqueous solution of glucose, C 6 H 12 O 6 has a density of 1.0624g /mL . Convert the…

A: The given data contains, Molarity of glucose = 0.559 M density = 1.0624 g/ml Molar mass of glucose =…

Q: 9.255 grams of C6H6 are dissolved in 161.8 grams of acetone, what is the molality of the solution?

A: Given mass of C6H6 (solute) = 9.255 g Mass of acetone (solvent) = 161.8 g

Q: A solution contains 92.2g of methanol, CH3OH, dissolved in sufficient water to give a  mass of…

A: The molality of a solution is calculated by the formula: Molality m=mol of solutemass of solvent kg

Q: What is the molality of a solution composed of 3.25 g methanol (CH3OH) and 250 mL of water?

A:

Q: A solution of hexane, C6H14, in benzene, C6H6, has a molality of 0.250 m. What mass of hexane is…

A:

Q: An aqueous solution of glucose (MM = 180.2 g/mol) has a molality of 5.21 m and a density of 1.20…

A: Given:Molality of Glucose = 0.258 mDensity of glucose solution = 1.20 g/mLFirst calculate the mole…

Q: molar concentration

A:

Q: If an aqueous solution is very dilute, will its molality be greater than its polarity, nearly the…

A: If an aqueous solution is very dilute, will its molality be Greater than its polarity, Nearly the…

Q: What is the molality of a 10.9% by mass glucose solution? (The density of the solution is 1.04g/mL)

A: It is given that: Mass percent of glucose by mass = 10.9 %

Q: The molality of a solution made by dissolving 33.4 g of CH3OH in 50.5 mL of water is ______ m.

A: We have 33.4 g of methanol dissolved in 50.5 mL of water, we have to calculate the molality of…

Q: A 6.84 m urea (molar mass = 60.0 g/mol) aqueous solution has a density of 1.3 g/mL. What is the…

A: Given, 6.84 m urea density of 1.3 g/mL

Q: Determine the molality  of a solution in which 27.4 grams of glucose C6H12O6 are dissolved in…

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

Q: An aqueous solution of glucose (MM = 180.2 g/mol) has a molality of 3.83 m and a density of 1.20…

A:

Q: The density of a 2.45 M aqueous solution of methanol (CH3OH) is 0.976 g/mL. What is the molality of…

A: Molality of a solution is given by the number of moles per kg of solvent.

Q: What is the molality of the methanol solution?

A: Before knowing this one must be know the concept of molality 1000 gm of solvent contains how much…

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: A solution of KOH has 112 grams of KOH in 2000 grams of water. The Molality of this solution is O…

A: Mass of water = 2000 g = 2000 * 10-3 kg Mass of KOH = 112 grams Molecular mass of KOH = 56.1 g/mole…

Q: 66.0 g acetone, C3H6O3, is dissolved in 146.0 g H2O to form a solution. The solution has a density…

A: Given-> Weight of acetone = 66.0 gm Weight of H2O = 146.0 gm = 0.146 kg (1kg = 1000 gm) density…

Q: MOLARITY AND MOLALITY Calculate the molality concentration of a solution that contains 52.1 g H2SO3…

A: Moles of solute (H2SO3) =given massmolar mass = 52.182=0.64 mol  Molality = moles of solute…