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: 6. A student makes a solution that is 37.5% (by mass) perchloric acid in water. Determine the…

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

Q: What is the molality of a solution made by dissolving 12.3 grams of LiCl in 380 grams of water?…

A: Given: Mass of LiCl = 12.3 g. And mass of water i.e. solvent = 380 g = 0.380 Kg…

Q: A solution contains 20.5 g of sodium chloride dissolved in sufficient water to give a total mass of…

A: Molality is represented by ‘m’ and is defined as the number of moles of solute present in 1 kg of…

Q: What is the molality of a solution prepared by dissolving 15.1 g of potassium nitrate in 250. g of…

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Q: A solution is made using 218.8 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

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Q: solution is made using 273.3 mL of methanol (density 0.792 g/mL) and 300.0 mL of water (density…

A: Density is defined as the mass per unit volume. It is represented by rho . Its relation is as…

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

A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…

Q: At 50°C, the solubility of KCL in water is 42.6 g in 100 g water. What is the molality of KCL in…

A: Here we are required to find the molality of KCl solution

Q: If 0.98 g of an unknown was dissolved in 10.30 g of solvent and the resulting solution has a…

A: Molality is moles of the solute that is present in 1000g or one kilogram(Kg) of solvent. Its SI unit…

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

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Q: An aqueous potassium chloride, KCl, solution is made by dissolving 0.305 mol KCl in 575.0 g of…

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Q: The solubility of a substance is 60.0 g per 100.00 mL of water at 15°C. A solution of this substance…

A: Given: Solubility of substance at 15 oC = 60.0 g/100.00 mL of water. Mass of substance dissolved in…

Q: Your pure water boils at 100.00 C. You add some sugar into it and now it boils at 101.20C. What is…

A: Given,  Boiling point of pure water, Tb° = 100.00 °C  Boiling point of solution, Tb = 101.20 °C  Kb…

Q: 75 g of KCl is dissolved into 500 g of water. What is the freezing point of the solution in units…

A: Given, mass of KCl = 75 g            mass of solvent ( water) = 500 g = 0.500 kg We know that,…

Q: A solution is made using 130.0 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

A: density of acetonitrile=0.7766g/mldensity=mass of acetonitrilevol. of…

Q: An aqueous solution of isopropanol (MM = 60.10 g/mol) has a molality of 6.05 m and a density of…

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Q: A solution is made using 164.9 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…

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Q: A student dissolves 5.6 g of biphenyl (C,,H10) in 425. mL of a solvent with a density of 1.15 g/mL.…

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Q: A certain molecular compound M has a solubility in acetone of 0.708 8 at 15. "C. Calculate the…

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Q: A solution was made by dissolving 10.000 g of NaCl (58.44 g/mol) in 150. mL (assume 1g/mL) of water.…

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Q: An aqueous solution of C6H₁2O6 contains 0.721 M C6H₁2O6 (aq). The density of the solution is 1.065…

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