A solution of propylene glycol (antifreeze) in the car's radiator has a freezing point of -20°c. What is the molality of the 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: The freezing point of pure benzene (C₆H₆) is 5.49 °C. The freezing point of a solution made using…

A: Pure benzene (solvent) freezing point = Tp = 5.49 °C Freezing point of Solution = Ts = -13.0 °C Kf…

Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

Q: A solution is made using 130.0 mL of acetonitrile (density 0.786 g/mL) and 250.0 mL of water…

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Q: Define the term Molality?

A: Molality is one of the many parameters that is used to express concentration of a solution.

Q: A certain liquid X has a normal freezing point of -7.10 °C and a freezing point depression constant…

A: The normal freezing point of liquid X, Tof =-7.10 °C  The freezing point depression constant, Kf=…

Q: Available was 250.00 ml of a 15.67 M H,S0, solution (density 1.7872 g/mL). Assume you pipetted 70.00…

A: Hii there, since there are multiple questions posted. we are answering first question. if you need…

Q: An aqueous solution of molecular compound X freezes at -0.569°C. Calculate the molality of the…

A: Depression in freezing point (∆Tf) :-  When a non volatile solute is added to a pure solvent its…

Q: The freezing point of a CaCl2 solution is -19 ∘C Part A What is the molality (m) of the CaCl2…

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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: Electrolytes exert a higher osmotic pressure than non-electrolytes for a reason.

A: In the above question the factors responsible for the variation of the osmotic pressure are…

Q: A student dissolves 20. g of glucose (C,H,,0,) in 100. mL of a solvent with a density of 0.96 g/mL.…

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Q: if 41.9 g of ethanol is mixed with 446 g of water what is the molality of the solution

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Q: At equal concentratoins, would a nonelectrolyte solution or electrolyte containing solution have a…

A: A solution containing an electrolyte will have a lower freezing point. The depression in freezing…

Q: 1. A solution containing 292 g of Mg(NO3), per liter has a density of 1.108 g/mL. The molality of…

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Q: In an experiment, a group of students dissolved 4.67 g of toluene in 67.8 g of cyclohexane. What was…

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Q: A 0.01 molal solution of K3Fe9(CN)6 freezes at -0.062C. What is the apparent degree of dissociation?…

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Q: You have a solution which is 44.4% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

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

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Q: What molality of N a Cl is required to lower the freezing point of water to -14.6 degrees C? Use…

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Q: You have a solution which is 45.6% by mass isopropyl alcohol (MM 60.11 g/mol) in water. The density…

A: Given: Percent by mass of isopropyl alcohol = 45.6 %. And density of solution = 0.905 g/mL. Assuming…

Q: 47 g of NH3 are dissolved in 50 g of water at 20 deg C. Is the solution unsaturated or saturated or…

A: In this question, we want to determine Ammonia NH3 Solution is saturated or unsaturated or…

Q: What is the molality of an alloy containing .03 g of silver and 4.75 g of iron?

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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 made using 257.7 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: Given: Volume of methanol = 257.7 mL Density of methanol = 0.7920 g/mL Volume of water = 300.0 mL…

Q: The freezing point of CuSO4 solution was determined to be -0.97c. Determine the moles of CuSO4, if…

A: We know that molal depression constant of water = Kf = 1.86 K kg mol-1 Given that, the freezing…

Q: A certain liquid x has a normal freezing point of -9.80 °C and a freezing point depression constant…

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Q: Enter your answer in the provided box. What is the molality of a solution containing 3.89 g of urea…

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Q: 48- A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water, the density of resulting…

A: Molality is defined as numbers of moles of solute divided by mass of solvent in kg .

Q: 193.8 g of magnesium chloride is dissolved in 811.0 g of water. What is the molality of the…

A: Given that : Mass of MgCl2 (Solute) = 193.8 g Mass of water (Solvent) = 811 g = 0.811 kg We have to…

Q: A solution is made using 130.1 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

A: Step 1: Calculating the moles of solute( acetonitrile) .  Step 2: Calculating the mass of the…

Q: What is the molality of 120 g of NaOH in 1000g of water?

A: Number of moles of NaOH is determined as follows,

Q: The normal boiling point of a certain liquid X is 141.40 °C, but when 20. g of glycine (C,H,NO,) are…

A: To calculate molal boiling point elevation constant , we first find moles and than molality.

Q: What mass of glucose should dissolve in11.5kg of water to obtain a solution with a freezing point of…

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Q: The boiling point of a solution of 250g benzene and 45g solute boils at 90 degrees celcius. What is…

A: Given that : Mass of benzene = 250 g Mass of solute = 45 g They boil at 90°C. We have to determine…

Q: a mixture of ethanol and water has a freezing point of -16.0 degrees celsius. what is the molality…

A: We have to determine the molality of the alcohol and what is the weight % of alcohol in the solution…

Q: How do you find molality given mass, volume, and temperature?  The question is: 13.120 g of sodium…

A: The value of temperature is used for finding the density of the water  since at 23.8 °C, density of…

Q: The normal boiling point of a certain liquid X is 115.90 °C, but when 47. g of zinc chloride (ZnCl,)…

A: Given: The normal boiling point of liquid X = 115.90 ∘C The mass of ZnCl2 dissolved in 550 g of X =…

Q: (Q73) A solution vapor pressure (in 55.30 torr. You s

A: Here we have to find the vapor pressure of solution containing 16.9 g MgCl2 and 815.7 g water. The…

Q: . What is the molecular mass of a substance if 22.5 g dissolved in 250 g of water produces a…

A: The formula for freezing point depression when a solute is added to a solution is : ∆Tf=Kf×m∆Tf→ The…

Q: What is a colligative property? Explain why the freezing point of a solution depresses and boiling…

A: Matter exists in different forms.  Each state of matter is characterized by certain physical and…

Q: The boiling point of an aqueous solution is 101.45 Celsius. What is the freezing point?

A: Given as  the boiling point of an aqueous solution is 101.45 Celsius The freezing  point has to be…

Q: What is the molality of a solution containing 23 mol glucose and 4.7 kg of water?

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Q: ne molality of a solution m

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: b. When 4.35 grams of ethylene glycol (C,H,O2) is dissolved in 100g of water, the resulting solution…

A: Given,  Mass of ethylene glycol (solute) = 4.35 g  Mass of water ( solvent )             = 100 g =…

Q: Calculate the molality of a copper (ll) nitrate solution which contains 35.0 g of copper (ll)…

A: We have given that  Mass of Copper nitrate = 35.0g Molar mass of Copper nitrate = 187.56g/mole…

Q: Enter your answer in the box provided. What is the molality of a solution consisting of 56.1 mL of…

A: Molality (m) :-  The number of moles of solute dissolved in 1 kg of solvent is defined as molality…