· Compute for the mass of NaCl solid that is needed to prepare 25 mL of 5% (mass/vol) solution. · Explain in detail how the solution will be prepared in the laboratory.

Q: For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution.…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: What are ideal and non ideal solutions?

A: If the solution obeys Rault’s law over a wide range of concentration at a specified temperature.…

Q: Calculate the mole fraction of a solution containing 635 mg of Calcium nitrate dissolved in 5.50 mL…

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Q: Determine the molality of a solution formed by dissolving 37.2g of Lil in 500 mL of water. density…

A:

Q: Please explain the behavior of the solution of sodium acetate in water (crystallization) using the…

A: Solution is made up of two components, solute and solvent. There can be either one or more solutes…

Q: Commercial nitric acid is 16.0 M HNO3(aq) and has a density of 1.42 g mL-1. What is the mole…

A:

Q: How many grams of elemental bromine is required to make 50.0g of a 7.00% by mass solution of…

A: Given information: Weight of the solution = 50.0 g 7.00% by mass solution

Q: A student dissolves 6.8 g of resveratrol (C1H,,03) in 175. mL of a solvent with a density of 1.04…

A:

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: What mole fraction of solvent will be present in an aqueous solution that is 0.858 m in sucrose?

A: Given,  Concentration of aqueous solution is 0.858 m

Q: Explain why bubbles form on the inside surface of a pan when water is heated.

A: Bubbles form on the inside surface of a pan when water is heated, which has to be explained below.

Q: A .9M solution of magnesium chlorate is prepared with 40g of magnesium chlorate how much water was…

A: Given: Mass of magnesium chlorate (Mg(ClO3)2) = 40.0 g Concentration of Mg(ClO3)2 = 0.9 M Molar mass…

Q: 20g of NaCl is dissolved in 250g of water. Calculate mass percent composition of this solution

A: Step : 1           Calculate mass percent composition of this solution

Q: A student dissolves 6.8 g of styrene (CH) in 250. mL of a solvent with a density of 0.89 g/mL. The…

A: The mass of styrene is = 6.8 g The volume of the solvent is = 250. mL The volume of the solution is…

Q: Calculate the mass (in g) of magnesium chloride (MgCl,) that would be needed to prepare 150 mL of a…

A: Given data contains, Volume of the solution is 150 mL. Mass percentage of aqueous solution of the…

Q: An aqueous NaCl solution is made using 138 g of NaCl diluted to a total solution volume of 1.25 L.…

A: The concentration of any solution in molality is given as the no of moles of solute present in per…

Q: Equal masses of acetone (CH3COCH3, molar mass = 58 g/mol and density = 0.79 g/mL) and water (molar…

A: Molality is given by  Molality = moles of solute / mass of solvent in Kg Since molality of acetone…

Q: Wastewater from a cement factory contains 0.25 g of Ca²⁺ ion and 0.056 g of Mg²⁺ ion per 100.0 L…

A: Given: Mass of Ca2+ ion    = 0.25 g Mass of Mg2+ ion   = 0.056 g Density of solution  = 1.001 g/mL…

Q: A student dissolves 6.4 g of stilbene (C, H,) in 175. mL of a solvent with a density of 1.01 g/mL.…

A:

Q: Density of Mole fraction of Molarity Molality % by Mass ppm solution solute

A:

Q: For a 0.9% m/v of saline solution at 25C, having a density of 1.045 g/mL, determine the freezing…

A: Colligative properties are the properties that depends only number of particles but not on the…

Q: A 0.250 mole sample of sucrose is diluted until its Molarity is 0.10 Molar. At that point, what is…

A: Given: Moles of sucrose= 0.250 mol Molarity= 0.10 M

Q: Calculate the mass percent by volume of 43.1g of glucose (CH12O6, MM = 180.2 g/mol) in 325 mL of…

A: Given : mass of glucose = 43.1 g And volume of solution = 325 mL

Q: How many 0.5 g tablets of aluminum acetate are needed to make 1250mL of 1:500 aluminum acetate…

A: Mass of each tablet = 0.5 g

Q: What mass of KNO3 should be measured out to make a saturated solution in 100g of water at 40 deg C?

A: A chemical substance's ability to dissolve in a given solvent is termed as its solubility. The curve…

Q: Which of the following factors affect the solubility of a gas in a liquid solvent? l. Pressure II.…

A: Solubility is the ability of a solid, liquid, or gaseous chemical substance (referred to as the…

Q: Describe how we would prepare 250 mL of 0.10 M NaOH from solid NaOH and water.

A:

Q: Determine the density of a liquid given there is 150.0mL of the solution contains 2.50 x 1023…

A:

Q: The density of a 0.323Maqueous solution of sodium phosphate (Na3PO4, MM 163.94g/mol)…

A: The Question is based on the concept of solutions. we have to calculate molality and percent by mass…

Q: Calculate the mass (in grams) of magnesium chloride (MgCl2)that would be needed to prepare 150 mL of…

A: Given - Density of the solution = 1.1 g/ml Volume of 20 % solution of MgCl2 = 150 ml Mass of 150 ml…

Q: What is the mole fraction of water in 200g of 89% by mass ethanol solution?

A: Mass percent of ethanol = 89 % Mass of solution = 200g Calculate the mass of ethanol in 200 g of…

Q: How many grams of CoCl2.6H2O is needed to prepare 250.0mL of 0.150 M CoCl2 solution

A: The question is based on the concept of solutions.   Molarity is a method of expressing…

Q: An aqueous solution is prepared by dissolving 16.7 grams of Aluminum hydroxide in 645.0 mL solution.…

A: Given data,Mass of Al(OH)3=16.7gVolume of solution=645.0mLDensity of solution=1.09g/mL

Q: 2.2.91 moles of silicon dioxide (SiO) are dissolved in a 1.93 kg aqueous solution. What are the ppm…

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

Q: what mass of 5.0% by weight NaCl solution is necessary to yield 3.2g NaCl? mass of soln=?

A: Mass percentage of a solution may be obtained by dividing the mass of solute with the mass of the…

Q: A sucrose solution is prepared to a final concentration of 0.300 M . Convert this value into terms…

A: Molarity = number of moles / volume in liter

Q: A solution is formed when 0.5822g butanol (MM= 74.121 g/mol) is dissolved in 87.0246g hexane…

A:

Q: A student dissolves 1.9 g of styrene (C,H,) in 150. mL of a solvent with a density of 1.02 g/mL. The…

A: Given that,  Weight of styrene  = 1.9 g Molar mass of styrene = 104.15 g/mol Moles of styrene n =…

Q: (SHOW CALCULATIONS) The Environmental Protection Agency sets limits for nitrates in drinking water…

A:

Q: Determine the weight of SDS powder needed in order to prepare 100ml of 25% SDS solution.

A: The weight by volume of a solution is the ratio between the mass of solute to the 100 mL of…

Q: 6. How many grams of Na CO; must be dissolved in 40mL of solution that is exactly 2.45 M? What would…

A:

Q: What volume of a 0.7M solution can be prepared with 45g of copper(I) nitrate?

A: Mass of CuNO3 = 45.0 g  Molarity = 0.7 M  Volume of Solution = ?

Q: A container holds 3 Liters of a 25% alcohol solution. One half Liter of the solution is withdrawn…

A: Since it we know after withdrawal of one half of solution the concentration doesn't change as…

Q: Complete the following table of an aqueous solution of potassium hydroxide  Density (g/ml)…

A: The molality and the mass percentage of the solute is calculated as shown below. Molarity M=1.13 mol…

Q: Calculate the mass in grams of potassium hydrogen phthalate (C6H4CO2HCO2K) required to prepare 250.0…

A: Molar mass of potassium hydrogen phthalate = 204.2 g/mol volume = 250mL = 0.250 L

Q: Calculate the Normality of Calcium hydroxide solution containing 6.32g of calcium hydroxide in 5.82L…

A: Given : Mass of calcium hydroxide i.e Ca(OH)2 = 6.32 g And volume of solution = 5.82 L

Q: Wastewater from a cement factory contains 0.490 g of Ca2+ ion and 0.0250 g of Mg2+ ion per 100.0 L…

A: The equation is: