What is the molality of a solution containing 11.5 g of ethylene glycol dissolved in 145 g of water. Note: ethylene glycol = C2H6O2 O 1.85 m O 1.28 m O 0.222 m O 0.0342 m

Q: Calculate the molality of chloride ions in an aqueous solution of magnesium chloride in which the…

A: To solve this problem we will use the formula of molality

Q: 2- A bottle of medicine contains 12.5% ethanol by volume. The density of ethanol (C2H3OH) is 0.789…

A: In order to calculate the concentration of the ethanol in terms of mass percent and molality we…

Q: What is the molality of a solution in which 12 g of NaCl is dissolved in 19 Kg of water?

A: Molality: It is the amount of solute that is present per kilogram of a solution. In mathematical…

Q: What mass of NaNO3 should be dissolved in 45 mL of water so that the resulting solution freezes to…

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Q: 10.)A solution is prepared by dissolving 50.0 g of hemoglobin (Hb) in enough water to make 1.00 L of…

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Q: he molal concentration of a

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Q: A student dissolves 13. g of aniline (C6H5NH₂) in 175. mL of a solvent with a density of 0.89 g/mL.…

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Q: What is the molality of a solution that contains 4.220 grams of potassium sulfate and 250. g of…

A: Given: mass of K2SO4 = 4.220g mass of water = 250 g                       =0.250 Kg We know, Molar…

Q: A solution was prepared by dissolving solute T in 115 g benzene. The freezing point of this solution…

A: Depression in freezing point is given by the expression:ΔT = Kf x m…

Q: A student dissolves 18.g of glucose C6H12O6 in 275.mL of a solvent with a density of 1.16/gmL. The…

A: We have to calculate the Molarity as well as molality of solution

Q: What is the molality of a solution made by dissolving 26.3 g of C6H12O6 into 125.0 ml of water?…

A: Answer:- This question is answered by using the simple concept of calculation of molality using the…

Q: What is the molality of a solution made by dissolving 34.9 grams of CoCl 2 in 790 grams of water?…

A: Given: Mass of CoCl2 dissolved = 34.9 g. And mass of water i.e. solvent = 790 g = 0.790 Kg…

Q: A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make 100.0 mL…

A: mass of sulfuric acid, H2SO4 = 17.75 gNote: molar mass of sulfuric acid, H2SO4 = 98.079 g/molThe…

Q: When a 33.8-g sample of an unknown compound is dissolved in 500. g of benzene, the freezing point of…

A: Given mass of sample (solute) = 33.8 g mass of benzene (solvent) = 500 g freezing point of solution…

Q: A student dissolves 7.6 g of sucrose (C₁2H₂O) in 425. ml. of a solvent with a density of 1.19 g/ml.…

A: Given : mass of sucrose = 7.6 g

Q: Calculate the molality of each of the following aqueous solutions. Part 1 of 2 2.57 M NaCl (density…

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Q: Complete combustion of 10.69 g of a compound of carbon, hydrogen, and oxygen yielded 13.56 g CO₂ and…

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Q: What is the molality of 12.5N HNO3 solution? Density=1.503 g/mL

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Q: Calculate the molality of chloride ions in an aqueous solution of magnesium chloride in which the…

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Q: Determine the molality of 25 g of glucose, C6H12O6, dissolved in 1.50 kg of water.

A: The given information is as follows: The mass of glucose = 25 g The mass of water = 1.50 kg The…

Q: Potassium hydroxide (KOH) has a lattice energy of −789.0 kJ/mol−789.0 kJ/mol and a heat of hydration…

A: Volume of solution could be heated can be calculated from the energy required for heating and the…

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of…

Q: What is the molality of ethanol (C₂H5OH) in an aqueous solution that is 39.8% ethanol by mass? O…

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Q: ou have an aqueous solution of Ca(NO3)2 with a molality of 7.26 mol/kg and a density of 1.4963 g/mL.…

A: The mole of solute present in a one-liter solution is known as the molarity of the solution. The…

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: A student dissolves 18. g of biphenyl (C₁2H₁0) in 100. mL of a solvent with a density of 1.04 g/mL.…

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Q: A student dissolves 14. g of stilbene (CH12) in 450. mL of a solvent with a density of 1.09 g/mL.…

A: Molarity: The mole of the solute dissolved in one liter of the solution is known as the molarity of…

Q: calculate the molality of ethylene glycol required to decrease the freezing point of water by 6.2 °C…

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Q: what is the molality of a solution containing 0.75 moles of sodium hydroxide in 500 mL of water at…

A: Given in the question = Moles of NaOH = 0.75 moles Volume of NaOH = 500ml Density of water at 25…

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

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Q: When 3.14 g of a nonelectrolyte solute is dissolved in water to make 325 mL of solution at 22 °C,…

A: Given ,  Mass of non electrolyte (w) = 3.14 g Volume of solution (V) = 325 mL = 0.325 L Temperature…

Q: The concentration of NaCl(aq) in a beaker is 2.00 M. What is the molality of the NaCl solution?…

A: The Molarity of NaCl = 2.00 M Means moles of NaCl = 2.00 mol present in volume of 1 L water . So…

Q: What is the molarity of 0.645 m glucose (CeH12O6) aqueous solution (Solvent: H2O). The molar mass of…

A: Given data,Molality of Glucose = 0.645 m Density of glucose solution = 1.18g/mLThe moles of glucose…

Q: 5. A solution contains 92.2g of methanol, CH3OH, dissolved in sufficient water to give a mass of…

A: The number of moles of a substance is given as the mass of a substance upon its molar mass. The…

Q: What is the molality of a solution prepared with 101. g KNO3 and 300. g water? 5.79 m 3.33 m 25.2 m…

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Q: A 1.25 M fructose (C6H12O6) solution has a density of 1.69 g/mL. What is the molality of this…

A: Given, Molarity of fructose solution = 1.25 M Density of the solution = 1.69 g/mL Note:  Molar mass…

Q: Molality   A solution contains 22.5 g of methanol, CH3OH, dissolved in sufficient water to give a…

A: Molality of a solution is calculated by dividing the number of moles of solute by per kilogram of…

Q: Which of the following phrases best describes the term solubility?             the ability of a…

A: Solubility is Solute dissolve in solvent at a temperature

Q: If 595 g of water is added to 98 g of a 5.9-m NaCl solution, what is the mass percent of NaCl in the…

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Q: What mass of H20 (in grams) is needed to dissolve 6.03 g LİZPO4 to produce a solution h solution is…

A: Molality (m) :   Number of moles of solute present in 1 kg of solvent is called molality (m)…

Q: An aqueous solution of HNO3 was prepared having a molality concentration of 6.29. (Atomic…

A: according to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: An aqueous zinc bromide solution (ZnBr2) boils at 100.250 °C.  What is the molality of this…

A: Given  The Boiling point of Aqueous solution ZnBr2  = 100.250 ℃  Kb  of water   = 0.512 ℃/m…

Q: Calculate the molar mass of the compound.

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Q: 2. When 3 g of an unknown solute is dissolved in 50 g of benzene, the resulting solution has a…

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Q: A solid consists of a mixture of NaNO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 g…

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Q: A student dissolves 11. g of glucose (C6H₁2O6) in 500. mL of a solvent with a density of 0.80 g/mL.…

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Q: Determine the molality and molarity of an 85% by mass sulfuric acid (d=1.73 g/mL) solution.

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Q: An aqueous solution is 0.467 M in HCl. What is the molality of the solution if the density is 1.23…

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Q: To what volume should you dilute 125 mL of an 8.00 MCuCl2 solution so that 50.0 mL of the diluted…

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