Why are units of molality (moles solute/kg solvent) used when discussing temperature-related solution properties, instead of the more common units of molarity (moles solute/L solution)? Hint: How does temperature affect mass? How does temperature affect volume?

Q: 1.73 g of Liquid Limonene C10H16 (molar mass 136.238 g/mol) mixes with 4.85 g of Liquid Phenol C6H6O…

A: Consider the given information is as follows; Mass of Liquid Limonene C10H16 = 1.73 g Mass of Liquid…

Q: Molality is moles of solute divided by kilograms of solvent. As the fudge was heated, there was…

A: Molality is a measure of number of moles of solute present in 1 kg of solvent. Fudge is soft crumbly…

Q: An aqueous solution of nickel(II) iodide has a concentration of 6.98×10-2 molal. The percent by mass…

A: Given: Molality = 6.98×10-2 molal

Q: 4. Determine the % by mass of the solute, mole fraction molarity and molality if 106.50 g Sodium…

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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: Dissolving glucose to water increases the boiling point of the solution. If glucose is replaced by…

A: When we add a solute to any solvent, then the boiling point of the solution will be increased.

Q: How do I use the molality of a substance to calculate the molar mass? Example: molality is .122M of…

A: Given:Molality = 0.122 m = 0.122 mol/Kg.Mass of the solute = 0.346 g.Mass of solvent = 7.79 g =…

Q: Reagent nitric acid is 70.40% HNO3 by mass and its molarity is 16M. Calculate following:  molality…

A: Given,  Molarity of HNO3 = 16 M  Mass percentage of HNO3 = 70.40 %  Calculate the following : a).…

Q: How many moles of solute are in a 2 molal solution if there is 4790g water?

A: Molality can be calculated as below:

Q: what mass of water should be used to dissolve 20 grams of ethanol, to prepare 0.0500 molal solution…

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Q: . 190 g of CuSO4 are placed in 3500 g of water. Determine the molality.

A: Given Data :  1. Mass of CuSO4 ( Solute) = 190 g  2. Mass of Water ( solvent) = 3500 g…

Q: 1.73 g of Liquid Limonene C10H16 (molar mass 136.238 g/mol) mixes with 4.85 g of Liquid Phenol C6H60…

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Q: A solution is prepared by mixing 1.0 grams of benzene (CsHs) in 100 g of water to create a solution…

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Q: · Compute for the mass of NaCl solid that is needed to prepare 25 mL of 5% (mass/vol) solution. ·…

A: Given: % (m/V) of NaCl = 5 % And volume of solution required = 25 mL.

Q: What is the difference between molarity and molality? Which one uses mass, and why might that be…

A: Molarity and molality are both two different ways of expressing concentration of a solution

Q: A solution is prepared by dissolving 20.5g of LiF in 340.00g water. a. What is the concentration of…

A: a) Given, Mass of LiF = 20.5 g Mass of water = 340.00 g Concentration of the solution in (% by mass)…

Q: an aqueous solution of concentrated nitric acid is 70.0% by mass. what is the molality of this…

A: Molality is a property of a solution and is defined as the number of moles of solute per kilogram of…

Q: What is the formula of molality? a. moles solute / L of solution O b. moles of solute / kg of…

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Q: A solution is prepared by dissolving 102 g of NaCl in 924 g water to make a total solution volume of…

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Q: A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor…

A: Given :-  vapor pressure of solution = 248 torr  vapor pressure of pure hexane = 151 torr  vapor…

Q: An aqueous solution of calcium acetate has a concentration of 3.13×10-2 molal. The percent by mass…

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

Q: A solution is prepared by dissolving 10.00 grams sucrose (molar mass of sucrose=343 grams) in 50…

A: Molarity is one of the concentration term and it is defined as the number of moles of solute present…

Q: Solution is prepared by dissolving 120 grams of NaCl in 450 grams of water. Find the freezing and…

A: Given data: Mass of NaCl = 120 g Mass of water = 450 g Molar mass of NaCl = 58.44 g/mol Formula…

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Q: Explain why a solution has a higher boiling point than that of the pure solvent. Differentiate…

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Q: A solution contain 70.2g sugar (molar mass= 342 g/mol) dissolved in 816 g of water. a) What is the…

A: mass of sugar= 70.2 g , molar mass of sugar=342 g mol-1 mass of solvent=816 g = 0.816 Kg  then,

Q: 2) What specific feature of chemical substances do we refer to when we say "like dissolves like

A: " like dissolves like " term is used when we want to explain the salvation of the chemical…

Q: 1. If you are there in a bath tub or in water for long your finger gets pruned. Why? Explain…

A: Since you've posted multiple questions, we're solving only the first question for you. If you want…

Q: Please help

A: The molality (m) of the solution is calculated as shown in equation (1) where m is the magnesium…

Q: 70.0 grams of sugar (C12H22O11) is mixed with 465.0 mL of water. Calculate the molality and mole…

A: Molality can be defined as the number of moles of solute dissolved per kilogram of solvent. Solute…

Q: Commercial grade HCl solutions are typically 39.0% (by mass) HCl in water. Determine the molality of…

A: Consider the given information is as follows; 39.0% (by mass) HCl in water Molality of the solution…

Q: CITE AN EXAMPLE OF LIQUID SOLUTION IN YOUR HOME AND EXPLAIN THE RELATIONSHIP OF EACH COMPONENTS.

A: If we take liquid solution of Glucon -D which is used for drinking purpose to manage water need of…

Q: An aqueous solution contains 3.9% NaClNaCl by mass. Calculate the molality of the solution.…

A: Given,  An aqueous solution contains 3.9% NaCl by mass.   Molar mass of NaCl = 58.5 g/mol

Q: An aqueous solution of aluminum acetate has a concentration of 0.389 molal. The percent by mass of…

A: Consider the given information is as follows; Concentration of the solution = 0.389 molal The mass…

Q: An aqueous solution contains 41.5 g of HCI by mass. Calculate the molality of the solution.

A: Since no solvent has been mentioned in the question, we take it to be H2O (water).

Q: What is the difference between molarity and molality ? Which one uses mass, and why might that be…

A: Concentration of solution :- The amount of solute present in a solution is known as concentration of…

Q: An aqueous solution contains 5.8% NaCl by mass. Calculate the molality of the solution

A: Given, an aqueous solution contains 5.8% NaCl by mass. This means that in 100 g of solution has 5.8…

Q: Ethanol (C₂H₅OH) has a vapor pressure of 93.0 torr and a density of 0.785 g/mL. Pentane (C₅H₁₂) has…

A: Raoult's law for liquid-liquid solution :- It states that " for a solution of volatile liquids the…

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 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: Calculate the number of moles of solute present in 55.0 mg of an aqueous solution that is 1.40 m…

A: The molality is given as follows,

Q: A solution is prepared by dissolving 102 g of NaCl in 924 g water to make a total solution volume of…

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Q: A solution is made by dissolving 0.563 mol of nonelectrolyte solute in 821 g of benzene. Calculate…

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Q: give the properties of a colloidal system. what makes them different compared to suspensions and…

A: A question based on colloidal solution, which is to be accomplished.

Q: An aqueous solution of ammonium nitrate has a concentration of 0.238 molal. The percent by mass of…

A: Molality (m) is defined as the number of moles of solute dissolved per kilogram of the solvent, i.e.…