To prepare a solution, we dissolve 12.5 mL of ethanol in sufficient water to give a total volume of 85.4 mL. What is the percent-by-volume concentration of ethanol?

Q: A mass of 30 g KCl is dissolved in 200 ml of solution. What is the concentration of this solution as…

A: Given,Mass of KCl (solute) = 30 gVolume of solution = 200 mLThe concentration of this solution…

Q: Calculate the molarity of a flask that contains 2.53 moles of potassium sulfate in 142 ml of…

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Q: What is the percent by volume of a solution of 2.80 g of acetone dissolved in 33.7 mL of solution?

A: Ratio of volume of the solute present in the solution to the volume of the solution multiply by 100…

Q: What mass of water must be added to 255.0 g NaCl to make a 15 percent by mass aqueous solution? The…

A: 1) The formula here we are going to use is                  Percent by mass =Mass of solute in grams…

Q: 4. Percent by Mass/Volume Concentration A 50 ml of 12% by mass per volume solution was used in an…

A: Given, Volume of solution = 50 ml Mass per volume percentage = 12%

Q: Give three examples of solutions and identify the solute and the solvent in them. (Phase: solid,…

A: Solution - A solution is a homogeneous mixture of a solute dissolved in a solvent.  Solute - The…

Q: How many grams of NaCl are needed to prepare 15.2 mL of a 0.56 M NaCI (aq) solution?

A: Given :  Volume of solution = 15.2 ml  Molarity = 0.56 M  Molar mass of NaCl = 58.5 gm/mole

Q: An aqueous solution of acetone is made by transfering 7.74 mL of liquid acetone to a 200. mL…

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Q: An aqueous solution of 87 KOH is dissolved in 600 grams of solution. What is the concentration of…

A: Note: Mass of KOH is taken as 87 g. Total mass of solution is (87 g + 600 g) = 687 g

Q: What is the mass % of ethylene glycol in a 1.89 M solution of ethylene glycol (MM = 62.07 g/mol) in…

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Q: Calculate the molarity of a solution prepared by dissolving 5.881 g NaCl in 250.0 mL of water. (MM…

A: Given: Mass of NaCl  = 5.881 g Volume of NaCl solution = 250 mL = 0.250 L Molar mass of NaCl =…

Q: A solution is created by dissolving 12.0 grams of ammonium chloride in enough water to make 265 mL…

A: The number of moles (n) of ammonium chloride is calculated by the expression given below in which m…

Q: What is the mass % of propylene glycol in a 1.89 M solution of propylene glycol (MM = 76.09 g/mol)…

A: Given- Molarity = 1.89 M Molar mass = 76.09 gm/mole Density of solution = 1.03 g/ml

Q: Consider a solution of glucose in water that is 5.25% by mass glucose. Calculate the indicated…

A: mass percent formula is used to determine the strength of solution using mass of solute and solvent.…

Q: mass percent

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Q: What is the mass % of ethylene glycol in a 2.69 M solution of ethylene glycol (MM = 62.07 g/mol) in…

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Q: Determine the molarity of a 18 mL sample of HCl solution that is required to prepare 30 mL of 2.3 M…

A: Volume of HCl (V1) = 18 mL Molarity of HCl solution (M2) = 2.3 M Volume of HCl solution (V2) = 30 mL

Q: What is the mass % of ethylene glycol in a 2.29 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A: Since we know that mass of a solution is calculated as the mass of solute divided by the mass of…

Q: Determine the solution volume in mL needed to make a 1.00 M aqueous solution when 4.82 g of CaCl2…

A: Given- Amount of CaCl2=4.82g The molar mass of CaCl2=110.98 g/mol (we know) We have to calculate…

Q: A student prepares a solution of potassium chloride by dissolving 90.6 g of KCI into enough water to…

A: Given data,     Mass of KCl =90.6 g  Volume of solution =1 L Molar mass of KCl = (39 + 35.5)g/mol =…

Q: What is the mass % of ethylene glycol in a 1.77 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A: Consider one liter of 1.77 M ethylene glycol solution. The mass of solution (Msol) is calculated…

Q: In order to prepare a solution, we need to dissolve 205 mL of ethanol in sufficient water to give a…

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Q: What is the new molarity of the diluted sample?

A: Given :-  Initial molarity = 1.2 M  Initial volume = 122 mL  Final volume = 500 mL  To calculate :-…

Q: 77.7 g of solute was fully dissolved with 175 g of solvent. What is the percentage concentration of…

A: Percent concentration of the solution by mass is defined as the mass of solute divided by the total…

Q: Consider a solution prepared by adding 25.0 g NaCl to 125.0 g of water. a. What is the percent by…

A: Percent by mass is given by, Mass percentage = Mass of the soluteMass of the solution×100

Q: What is the mass % of ethylene glycol in a 2.33 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A: Mass = Volume x density Molarity of solute = Number pf mols of solute/Volume of solution (L) %Mass…

Q: Which type of concentration is calculated when the grams of solute is divided by the grams of the…

A: Given Formula  Formula = grams of solutegrams of solution ×1000000 Type of concetration calculated =…

Q: 2.56 g NaCl is used to prepare 125 mL of solution. What is molarity of this solution?

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Q: The density of a solution that is 20.0% HClO4 is 1.138 g/ml. Calclulate the molarity of the HClO4…

A: Molarity = Moles of soluteVolume of the solution in L

Q: What masses of KBr and water are needed to produce 300 grams of a solution that is 3.00% by mass?

A: Given information,       300 grams of a solution that is 3.00% by mass

Q: What is the percent by volume concentration of a solution in which 75.0 ml of ethanol is  diluted to…

A:

Q: How do you calculate the concentration of a solution in units of molarity? a Divide the number of…

A: We have to choose the correct option. Units of molarity?

Q: In dilutions the quantities of solutes decrease while the volume of solution increase. True O False

A: In dilution volume of the solution increases but the quantity of solute remains same so the…

Q: What mass of an aqueous 22.5% sodium chloride solution contains 87.5 g of water? 132 g 58.0 g 42.8 g…

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Q: A solution contains 2.29 moles NaCl dissolved in sufficient water to give a total volume solution of…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: A solution is make by dissolving 3.88g of NaCl in enough water to make 67.8 mL of solution. What is…

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Q: How many grams of sodium hydroxide must be dissolved in 200 g of water to produce a 4.00% by mass…

A: Given data: Mass of water = 200 g Concentration of solution = 4% by mass  Given data: Mass%=Mass of…

Q: Calculate the mass of NaCl ina 45 mL sample of a 1.8 M NaCl solution.

A: Stoichiometry is mainly based on the calculation of moles and volumes. These two values are used to…

Q: What is the mass % of ethylene glycol in a 2.33 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A: Concentration can be expressed in terms of molarity. It is defined as the number of moles of solute…

Q: Determine the mass of solute and solvent in a 12.0% (m/m) solution in 52.3 g of solution.

A: Given ;  % m/m = 12.0 %  mass of solution = 52.3 g  To calculate :  mass of solute mass of solvent

Q: How many mililiters of water should a chemist add if they want to prepare an 0.200 M aqueous…

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Q: A solution of heparin sodium, an anticoagulant for blood, contains 1.8 g of heparin sodium dissolved…

A: Mass/volume percent concentration is one of the quantity used to express concentration. Formula for…

Q: Determine the solution volume in L needed to make a 1 M aqueous solution when 11 grams of NaOH…

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Q: what do you call the term that refers to the amount of solute in a solution?

A: Solution is a homogenous mixture of one or more solute dissolved in the solvent.  Solute is a…

Q: 120 grams of calcium nitrite in 240 mL of solution.Molar Mass of Calcium Nitrite is 164g/mol. 1.2…

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Q: What is the mass/mass percent concentration of a solution containing 80 g sugar and 250 g solution?

A: Given : We have to calculate the mass/mass percentage .

Q: What is the mass % of ethylene glycol in a 1.93 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A: Given :-  Molar concentration of ethylene glycol solution = 1.93 M  Molar mass of ethylene glycol =…

Q: An aqueuos solution contains 6.00% (by mass) NaBr (sodium bromide). The density of the solution is…

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Q: What mass of solution containing 2.00% sodium sulfate, by mass contains 1.50 g sodium sulfate?

A: