A KNO3 solution is made using 92.4 g of KNO3 and diluting to a total solution volume of 1.80 L. Calculate the mass percent of the solution. (Assume a density of 1.04 g/mL for the solution.)

Q: An aqueous solution of propyl alcohol is made by transfering 2.28 mL of liquid propyl alcohol to a…

A: Given, Volume of solute= 2.28 mL volume of solution= 100mL

Q: Determine the volume (in mL) of a 15.8 M HC2H3O2 stock solution must be used to prepare 775.0 mL of…

A: Dilution :-  When a concentrated stock solution of molarity M1 and volume V1 is diluted by adding…

Q: Determine the amount of sucrose in each solution.(a) 48 g of a solution containing 3.7% sucrose by…

A: Mass percentage is given by the formula:Mass % = (Mass of compound/Total mass of solution) x 100 %…

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A:

Q: An NaCl solution is made using 133 g of NaCl and dilutingto a total solution volume of 1.00 L.…

A: Molar mass of Nacl= 58.5 g/mol  Moles of Nacl=133/58.5= 2.27

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A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: Percent by definition is parts per hundred. % (w/w) = (mass of solute/mass of solution) x 100. For…

A: Given that, Limit of alcohol in blood = 0.080 g per 100 g

Q: To what volume should you dilute 135 mL of an 7.90 M CUC12 solution so that 49.0 mL of the diluted…

A: From molarity of initial solution calculate mole of copper Sulphate And then amount of copper…

Q: 2.01g of NaBr dissolves in 10.0 mL aqueous solution for an overall mass of 11.33g. a. What is the…

A: Given that, Mass of NaBr dissolved in water m = 2.01 g Mass of NaBr solution = 11.33 g Volume of…

Q: 220 g of lithium bromide is placed into enough water to make 500 mL of solution. 50.0 mL of this…

A: Given mass of lithium bromide = 220 g volume of solution = 500 ml

Q: Calculate the mass percent of a solution that is prepared by adding 47.8 gg of NaOHNaOH to 204 gg of…

A:

Q: Calculate the molarity of sodium ion in a solution made by mixing 7.44 mL of 0.755 M sodium chloride…

A: The molar concentration of a solution is given as: Molarity=number of molesVolume

Q: Consider a solution prepared by adding 2.70 grams acetic acid to 122.8 grams of water :  a. what is…

A: Mass percentage of a component is calculated by dividing the mass of the component with the total…

Q: b) An ethanol-water solution is prepared by dissolving 10.00 mL of ethanol, CzH;OH, (d=0.789 g/mL),…

A: Volume percentage of ethanol =

Q: 1. Solutions of known % (v/v) is prepared by the use of ... a. balance b. volumetric flask c.…

A: (1) The %(v/v) can be defined as the solute in litres is present in liquid solvent. The %(v/v)…

Q: Solution BII. Calculate the volume of ~0.00100 M KMnO4 (Solution BI) needed to prepare 25.00 mL of ~…

A:

Q: 11.A sample of 10 g of potassium iodide is dissolved in a beaker. Then it is poured in a volumetric…

A: Given : A sample of 10 g of potassium iodide is dissolved in a beaker. Then it is poured in a…

Q: mass/volume

A: During the dilution , the number of moles remains constant and only concentration changes during the…

Q: A 2.2964 g sample of Na₂ CrO4 (MW = 161.97 g/mol) is dissolved in 100.0 mL of water. Assume the…

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Q: A concentrated KOH (MW = 56.105 g/mol) solution is 45.0 %wt KOH and has a density of 1.45 g/mL. How…

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Q: What volume of 0.01 M solution is required to prepare 1L of a 1.0 x 10-6 M solution?

A: Given, Concentration of stock solution (M1) = 0.01 M  Volume of stock solution (V1) = ?…

Q: What is the molarity of a solution that is prepared by mixing 37.0 mL of ethanol in 100.0 mL of…

A: Given, The volume of ethanol = 37 ml volume of water = 100 ml Volume of solution = 133 ml Density of…

Q: Calculate the final molarity for a solution made from 19.1 mL of a 207.5 mg/L solution which is…

A: The molarity of a solution is given by:

Q: A solution is made by dissolving 25.1 g of barium acetate, Ba(CH3CO0)2, in enough water to make…

A:

Q: 1. A blood serum sample is analyzed and found to contain 102.5 µg Ca*/mL serum. The density of the…

A: 1. Here we will calculate concentration of Ca2+ with different unit. The density of the serum is…

Q: Calculate the mass percent of a sucrose solution that is made by mixing 8.270 grams of sucrose into…

A: We have prepare a solution by mixing 8.270 g of sucrose into water until the solution has a mass of…

Q: dilute 75.4 mL of 808.μMaqueous magnesium fluoride (MgF2) solution until the concentration falls to…

A: Given,Magnesium fluoride (MgF2) V1 = 75.4 mlMagnesium fluoride (MgF2) N1 = 808.μMN2 = 357. μMV2 = ?

Q: A chemist must dilute 46.2 mL of 121. µM aqueous mercury(II) iodide (HgI₂) solution until the…

A:

Q: A solution is prepared by combining 8 g of sodium hydroxide (NaHO) with 245 g of H2O and the…

A: The mass of solute sodium hydroxide is 8 g and it dissolves in 245 g of water and the mass of the…

Q: What mass of water (grams) must be added to 72.5 g KNO3 to generate 2.00 L of aqueous solution with…

A:

Q: How many mL of water should be added to 50.0 mL of a 15.0 M H 2SO 4 solution to give a final…

A:

Q: How do you prepare 0.4 N 500 mL hydrochloric acid solution by using 37% by mass HCl solution with a…

A:

Q: A chemist needs 13.46 mL of 1.17 M NaOH. What volume in mL of 3.89 M NaOH must be diluted in water…

A: Chemist needs 13.46 mL of the 1.17 M of NaOH solution. He do have stock solution as of 3.89 M ,we…

Q: 85% concentration of phosphoric acid has a density of 1.685 g/mL and a molecular weight of 98 g…

A:

Q: 75.0 mL portion of a 1.30 M solution is diluted to a total volume of 278 mL. A 139 mL portion of…

A:

Q: A stock solution is made by dissolving 105.8 g of barium nitrate in 570.5 mL of solution. a) What is…

A: Given that : The mass of barium nitrate (solute) = 105.8 g The volume of solution = 570.5 mL The…

Q: Calculate the molarity of the resulting solution prepared by diluting 25.0 mL of 18.0% ammonium…

A:

Q: what is the mass % of each component in the mixture?

A: Given :- mass of sugar = 2.00 g                mass of salt = 3.00 g               mass of solution…

Q: How many grams of dextrose are needed to make 615 mL of a 33.0 % (w/v) dextrose solution? Note that…

A: Given that : Volume of solution = 615 mL of 33.0% (w/v)  Mass of dextrose = ?

Q: A sample of drinking water is determined to be contaminated with dioxin. The mass percentage of…

A: Given: Mass percentage of dioxin = 0.085% Volume of solution = 2.5 L Density of solution = 1.00 g/mL

Q: How many grams of dextrose are needed to make 725 mL of a 34.0% (w/v) dextrose solution? Note that…

A: Given : Volume required = 725 ml w/v % = 34%

Q: Solubility is the concentration of a saturated solution at a specific a) amount b) pressure c)…

A: The answer to the following question is-

Q: A 52.0 mL portion of a 1.80 M solution is diluted to a total volume of 248 mL. A 124 mL portion of…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: What is the normality of the solution prepared by dissolving 25.2 grams oxalic acid in sufficient…

A: Molarity, normality are some concentration parameters of solution.  Molarity (M) is defined as the…

Q: A chemist must dilute 73.3 mL of 108. pM aqueous silver(II) oxide (AgO) solution until the…

A:

Q: 38.5.85g NaCI dissolve in water to make 200.mL of volume of solution. Density of solution is found…

A: The Molarity of solution is calculated by the formula, Molarity=Given weightMolecular weight×Volume…

Q: Percent by volume (% v/v) of a substance is a term that represents the concentration of the…

A: In this case, we can use the equation of dilution. That is, C1V1 = C2V2 Where, C1 = concentration of…

Q: A sulfuric acid solution containing 571.3 g of H2SO4 per liter of the aqueous solution has a density…

A: We have, The weight of H2SO4 = 571.3 g Density of solution= 1.329 g/ml Volume of solution= 1000 ml…

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