An aqueous solution contains 3.9% NaClNaCl by mass. Calculate the molality of the solution. Calculate mole fraction of the solution.

Q: An aqueous solution of HCL is found to have a molarity of 12.1M. Given the density of the solution…

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Q: 1. A solution is prepared by dissolving 12 grams of turmeric powder in 350 grams of water. Calculate…

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Q: Explain the terms selective solubility and sublimation.

A: Interpretation: The terms selective solubility and sublimation are to be explained.

Q: A solution was made by dissolving 8.01 g sodium chloride (NaCl) in 46.5 g water (H2O). What is the…

A: Given: Mass of sodium chloride (NaCl)=8.01 g Mass of water (H2O)=46.5 g The molar mass of sodium…

Q: Different types of colloid systems. Define each.

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Q: Illustrate the common ways of expressing the concentration of a solute in a solvent: mass…

A: A dilute solution means solute is present in the least quantity. It refers to the quantity of solute…

Q: Calculate the molality of a 46.2 percent (by mass) aqueous solution of sodium chloride.

A: Given percentage by mass of NaCl = 46.2℅ NaCl is the solute water is solvent

Q: Calculate the molality of a 1.76M aqueous solution. The solute has a molar mass of 120.5g/mol, and…

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Q: An aqueous solution contains 5% NACl by mass. Calculate the molality and mole fraction.

A: Interpretation -  To determine the molality and mole fraction of an aqueous solution contains 5%…

Q: Can you calculate the percent composition by mass of a solution given only the molality of the…

A: Molarity is defined as number of moles of solute dissolved per litre of solution.

Q: 6. Calculate the moles of NAHCO; in the sample and record the data in the data table. Data Table…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 12.) Determine the mole fraction of the solute in a 25.0% by mass aqueous solution of LiNO3.

A: 25.0% by mass means 25 g LiNO3 present in 100 g of solution. mass of solute = 25 g mass of solution…

Q: An aqueous solution of KCI (molar mass 74.5 g/mol) has a concentration of 1.85 m. If this solution…

A: Given: The concentration of the aqueous solution of KCl = 1.85 m The mass of water in the sample =…

Q: Calculate the molality of a 1.22 M aqueous solution of sugar C12H22O6). The density of this solution…

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Q: Calculate grams of sucrose that must be added to 485.2 grams of water to prepare a 53.32 % by mass…

A: Given % by Mass solution = 53.32 %Mass of water = 485.2 gGrams of sucrose needed = To be determined

Q: A solution was made by mixing sodium chloride ( NaCl) and water ( H2O). Given that the mole fraction…

A: Given a solution, mixture of sodium chloride and water.mole fraction of sodium chloride =0.0541 and…

Q: Calculate the Molarity of a solution, given appropriate data; calculate the molality of a solution,…

A: Lets consider,in 1 L of water, 58.44 g of salt (NaCl) is dissolved, then find the molarity of NaCl…

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 made containing 14.7 g of CH3OH in 185 g H2O. Calculate the Mole fraction of CH3OH.…

A: The mole fraction of a component in the mixture is defined by the ratio of moles of that substance…

Q: 282 moles of ethylene glycol is added to 442 moles of water at room temperature. The vapor pressure…

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Q: Concentration of NaOH in HCl is 2.57% by mass. Density of HCl is 1.2g/cc. Determine molality of…

A: Relationship between %by mass and molality m=%by weight×1000/Molar mass of NaOH×(100−%by weight)…

Q: Calculate The MASS-VOLUME PERCENT of 5g of MgCl2 to make 250mL of aqueous solution.

A: We know that ; Mass - volume percent = (Mass of Solute/volume of solution)× 100% By using this…

Q: An aqueous solution is 3.50 % by mass potassium bromide, KBr, and has a density of 1.02 g/mL. The…

A: % By mass = 100 x Mass of solute/Mass of solutionNumber of mol = Mass/molar massMole fraction of…

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

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Q: A 40.0% by mass solution of HC1 has a density of 1.198 g/mL. Determine the molarity and molality of…

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Q: An old sample of concentrated sulfuric acid to be used in the laboratory is approximately 97.9…

A: Given:97.9 % sulfuric acid acid by massTo determine the molarity and molality of solutionThe density…

Q: The molarity of a potassium fluoride solution is 3.75. Calculate the mole fraction of potassium…

A: Moles fraction of a solute is determined by the following formula mole fraction =moles of…

Q: Calculate the molality of a 8.30% (by mass) aqueous solution of hydrochloric acid. 1.24 m O 0.819 m…

A: Given 8.30% (by mass) aqueous solution of hydrochloric acid. standard values Molar mass of HCl =…

Q: Compute the % mass of a solution containing 5 g sodium chloride in 150 g solution? What is the…

A: Solution-

Q: What is the molality of the solution prepared by dissolving 78 g ethylene glycol in 1500 g of water?

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Q: An aqueous solution is prepared by adding 36.8 g of magnesium chloride to 100. mL of water. Assume…

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Q: Concentration terms such as mass percentage, ppm, mole fraction and molality are independent of…

A: Molarity of a solution is defined as the number of moles of solute dissolved per litre of solution.…

Q: Calculate the freezing point of a solution containing 6.0% KCl by mass (in water).

A: Freezing point depression is the decrease of the freezing point of a solvent due to the addition of…

Q: 1. A solution is prepared by dissolving 12 grams of turmeric powder in 350 grams of water. Calculate…

A: 1) Given, Mass of turmeric powder = 12 g Mass of water = 350 g Mass percent of each component of the…