3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing 2.692 kg of water?

Q: An aqueous solution is made by dissolving 17.3 grams of chromium(II) acetate in 351 grams of water.…

A: Number of moles of chromium(III) acetate = 17.3 g / (229.13 g/mol) =0.075 mol.

Q: solution is prepared by adding 40.00 g of lactose (milk sugar) to 110.0 g of water at 55degree…

A: According to the Raoult's law, the vapour pressure of solution is given by  Vapour pressure of…

Q: Ethylene glycol freezes at -5 deg C in water. What is the boiling point of the solution? 101.9378…

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Q: Ethylene glycol freezes at -5 deg C in water. What is the boiling point of the solution?

A: Given→ Freezing point of ethylene glycol in water = -5 deg C.            We have been asked to find…

Q: A student prepares a solution containing 45.4 grams of sucrose (C12H22011, 342.29 g/mol) in 250. g…

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Q: The molar mass of sulfuric acid is 98.08 g/mol. What is the molality of a 10.97 mass% sulfuric acid…

A: Molality : if 1 mole of any substance is present in 1000 gm solvent then the solution is 1m.

Q: A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample…

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Q: If 50g of NH4Cl is put into 100g of water at 60 deg C is the solution ? Is it saturated or…

A: In this question, we will determine that 50g NH4Cl is saturated or unsaturated or supersaturated.…

Q: List the three kinds of intermolecular interactions involved in solution formation?

A: The three kinds of intermolecular interactions involved in formation of solution has to be listed.

Q: 5,00 g of glucose, C6H12O6, is dissolved in 72,8 g of water. What will be the freezing point and the…

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Q: What is the molality of a solution dissolved in chloroform that boils at 62.8°C? Boiling point of…

A: Molality is defined as the number of moles of solute divided by the mass of solvent in kg. Its SI…

Q: ertain substance X has a normal boiling point of 95.4 °C and a molal boiling point elevation…

A: Given, normal boiling point of substance X, Tbo = 95.4 oC Boiling point of solution, Tb = 96.1 oC…

Q: The solubility of glucose is 357 g/100 g H2O at 70°C. A solution is prepared by mixing 450g of…

A: At T = 70℃  Solubility of Glucose is 357 g / 100 g of H2O Thus, 357 g of Glucose dissolved in 100 g…

Q: 50 grams of water containing a certain amount of sucrose boils at 100.77 C. What is the molal…

A: Colligative properties are the properties of a solution that depends on the number of solute…

Q: A student prepares a solution containing 33.39 grams of sucrose (C12H22O11, 342.29 g/mol) in 0.241…

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Q: A solution is made by dissolving 13.0 g of sucrose, C12H22O11, in 117 g of water, producing a…

A: A solution is made by dissolving 13.0 g of sucrose, C12H22O11, in 117 g of water, producing a…

Q: 3 atm of SO2 (g) and 3 atm of CO2 are present in different sealed containers with 1 L of water in…

A: Option d) is the correct choice.  Because solubility of gases are inversely proportional  or…

Q: A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample…

A: molality is mass of solute dissolved in per kg mass of solventmolality = moles/kg of solvent

Q: A crystalline white solid is a mixture of glucose and sucrose.is it possible that a ten grammes…

A: It possible that a ten grams sample of the solid dissolved in hundred grams of water might have a…

Q: Determine the freezing point of a solution (in ℃) that contains 17.3 grams of glycerin (C3H8O3 ) in…

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Q: Please help me

A: The number of moles of solute to the weight of the solvent in (kg) is known as molality.

Q: a1.5 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing…

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Q: Which of the following equimolal solutions have the lowest boiling point? a. NH3 b. NaCl c.…

A: The question can be solved by colligative properties. ->If value of vant's half factor greater…

Q: The solubility of lead nitrate at 100 degrees Celsius is 140.0g/100g water. A solution at 100…

A: Solubility of Pb(NO3)2 at 100˚C = 140.0 g/100 g water Considering solubility to be 44 g in 38.0 g of…

Q: Two volatile substances are mixed with one another so that the solution has a vapor pressure of 125…

A: Colligative properties are dependent on the number of moles of solute in the solution. There are…

Q: A 55.5 g sample of ethanol (C2H5OH) is dissolved in 265 g of water (H2O). The vapor pressure of…

A: Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour…

Q: A solution is prepared by mixing 75 g of methanol (CH3OH, 32.04 g/mol) with 25 g of ethanol…

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Q: student dissolves 10.82 grams of estrogen, C18H24O2 (272.4 g/mol), in 158.1 grams of ethanol. Use…

A: Solution -

Q: A sample of 1.3 molal aqueous solution of sodium chloride contains 6.4 grams of sodium chloride…

A: Molality = moles(solute) / mass(solvent in kg)  Solute = sodium chloride = NaCl Solvent = water…

Q: The boiling point of water, H2O, is 100.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

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Q: A certain liquid X has a normal freezing point of -6.90 °C and a freezing point depression constant…

A: We have to predict the freezing point of solution.

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

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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 many grams of ethylene glycol must be added to 37.8 g of water to give a freezing point of…

A: The depression in freezing point is the colligative property. The formula used for the depression in…

Q: 1. The enthalpy change associated with forming a solution is represented by the following equation…

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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: A solution contains 68.4 g of sucrose (C12H22O11) dissolved in 250 g of water. What is the molality…

A: Given, Mass of sucrose = 68.4 gram Moles of sucrose = Given MassMolar MassMolar mass = 342.3…

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

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Q: Which solution will have the highest boiling point? Solution A: 5.00 g NaCl dissolved in water and…

A: Since the elevation in boiling point of any solution is given by  elevation in boiling point = i X…

Q: A solution is made using 190.5 g of hexane (MM = 86.18 g/ mol) and 200.0 g of octane (MM = 114.2…

A: The concentration of a solution is expressed as molality, which is denoted as m and it measures…

Q: What mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepare a 0.0500 molal…

A: Molality (m) :-  The number of moles of solute dissolved in one kilogram of solvent is defined as…

Q: An aqueous solution has a normal boiling point of 102.5 degrees Celsius.  What is the freezing point…

A: The normal temperature at which the water boils is 100 degrees Celcius. So, the elevation in the…

Q: A solution of NaCl in water has a concentration of 20.5% by mass. What is the molal concentration of…

A: Molal concentration of the solution is to be calculated when the solution has 20.5 % by mass of…

Q: The solubility of gas in water is 25 degrees celsius and 1.0 atm pressure of oxygen is 0.041 g/L.…

A: According to Henry’s Law, pressure (P) and concentration (C) is directly related to each other as…

Q: A student dissolves 12. g of styrene (c,H3) in 300. mL of a solvent with a density of 1.00 g/mL. The…

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Q: A mixture containing 33.0 g of an unknown liquid and 230.0 g of water has a freezing point of -1.12…

A: The depression in freezing point is given by  depression in freezing point = i X Kf X m where i =…

Q: Q1: The density of 78.5 g of methanol (Mwt. = 32) is 0.89 g/ml. What is the Molality of the…

A: Molality (m), or molal concentration, is the amount of a substance dissolved in a certain mass of…

Q: What are the pharmaceutical uses of Hypertonic solution?

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Q: A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample…

A:

Q: How many grams of sodium chloride are contained within a 35.0 gram sample of a 3.00 molal aqueous…

A: Given mass of sample = 35 g molality = 3 molal