1. A 4.24 g sample of a laboratory solution contains 1.42 g of acid. What is the concentration of the solution as a mass percentage? 2. Isopropyl alcohol is mixed with water to produce a solution that is 35.0% alcohol by volume. How many milliliters of each component are present in 645 mL of this solution?

Q: Normal saline solution (the kind you receive intravenously for medical purposes) is made by…

A: Molarity is defined as the number of moles of solute present in 1 liter of solution.  Mathematically…

Q: A 77.0 mL77.0 mL portion of a 1.70 M1.70 M solution is diluted to a total volume of 258 mL.258 mL. A…

A: given data  A 77.0 mL or 1.70 M total volume = 258 ml after dilution  129 mL portion of that…

Q: 50 a) Solution 1 (the stock solution) has a molarity of 12.25 M and a volume of 1.50 L. Solution 2…

A: a) Given, Solution 1 molarity of stock solution (M1) = 12.25 M Volume of stock solution (V1) = 1.50…

Q: 1. a. Which of the following solutions contains the greater mass? Briefly explain your answer or…

A: (a) Molarity and volume of MgCl2 is 1.60 L and 0.334 M Moles of MgCl2 =Molarity ×Volume=0.334 M×1.60…

Q: KCO3 3. Suppose 36.0246 g of potassium carbonate is dissolved in water to give a final solution…

A: Molarity = Number of mols of solute/Volume of solution in L Number of mols = Mass/Molar mass…

Q: A 0.8970 g sample of a mixture of NaCl and KC1 is dissolved in water, and the solution is then…

A:

Q: 2. What is the volume, in milliliters, of a 6.0 M H2SO4 (aq) solution that contains 3.60 moles of…

A:

Q: In the laboratory, a student dilutes 16.8 mL of a 6.40 M hydrochloric acid solution to a total…

A: • Before dilution,Concentration of HCl solution (M1) = 6.40 MVolume of HCl solution (V1) = 16.8 mL•…

Q: A chemist places 2.6428 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: The solution is given below -

Q: Calculate the molarity of each of the following solutions. A.) 27.03 g C6H12O6 in 1.25 L of…

A:

Q: Suppose 30.3 g of potassium iodide is dissolved in 350. mL of a 0.30 M aqueous solution of silver…

A: Given: Mass of potassium iodide( KI ) = 30.3 g Molar mass of potassium iodide = 166g/molTherefore,…

Q: A chemist places 1.5999 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: In given problem, they asked for concentration of Na2SO4 and it is given as NaCl. So it will be…

Q: In the laboratory, a student adds 48.0 mL of water to 14.6 mL of a 0.624 M nitric acid solution.…

A: Given values, N1= 0.624 M V1= 14.6mL N2=?? V2= 14.6+48.0 = 62.6 mL

Q: volume

A: This question is related to molarity.

Q: 22. Enter your answer with both the correct number of significant figures and the correct units.…

A:

Q: A chemist adds enough solvent to 5.00 mL of a 2.0 M aqueous solution so that the final volume of the…

A:

Q: A 65.0 mL65.0 mL portion of a 1.50 M1.50 M solution is diluted to a total volume of 228 mL.228 mL. A…

A: Molarity(M) is the moles of solute per unit volume of the solution in liters. It's unit is mol/L

Q: 1)A solution of Na2CO3 is prepared by dissolving 0.511 g of the solid in approximately 30 mL of…

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

Q: Pure water has a density of 1.000 g/mL. Assume that water determines the volume of the solution.…

A:

Q: what is the molarity of the resulting solution?

A:

Q: A solution was made by dissolving 10.00 g of potassium sulfate in 250.0 mL of water. What is the…

A: Note: assuming volume of solution is equal to volume of waterGiven:Mass of K2SO4 = 10.0 gVolume of…

Q: brit to obec 1. If the density of the vinegar solution was 1.02 g/ in the unknown solution? Use your…

A: Following information about the solution of vinegar solution given -  Density of vinegar solution =…

Q: A sample of pure acetyl salicylic acid had a mass of 0.268 grams. It was dissolved in NaOH and…

A: Concentration of aspirin is expressed in term of molarity. Molarity is the number of moles of solute…

Q: A 4.23 g4.23 g sample of a laboratory solution contains 1.96 g1.96 g of acid. What is the…

A: Mass percent = (mass of acid/ total mass) ×100% Mass percent is defined as the ratio of mass of…

Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1 g…

A:

Q: A 64.0 mL64.0 mL portion of a 1.40 M1.40 M solution is diluted to a total volume of 258 mL.258 mL. A…

A:

Q: 28.0 mL of a 0.554 M solution of NaOH(ag) is diluted to a final volume of 42.0 mL. What is the…

A:

Q: A 53.0 mL53.0 mL portion of a 1.70 M1.70 M solution is diluted to a total volume of 248 mL.248 mL. A…

A:

Q: A 10.00 mL sample of a test solution is diluted in an environmental laboratory to a final volume of…

A: The volume of the sample= 10.00 mL The concentration of the sample= c g/L The volume of the diluted…

Q: A solution is made when 233.1 g of NaCl is dissolved in enough water to form 936 mL of solution.…

A: Given Mass of NaCl is 233.1 g Volume of solution is 936 mL Density of solution is 1.06g/mL Using…

Q: A solution is made by mixing 48.2 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL). What is…

A: Given ; mass of alcohol = 48.2 g  And volume of water = 100 mL  Since density of water = 1 g/mL…

Q: A solution of NaOH was created by mixing 5.100 g of NaOH to a total volume of 108.2 mL (aka volume…

A: Mass of Solute, NaOH = 5.100 g Volume of solution = 108.2 mL Density of solution = 0.42 g/mL Density…

Q: A chemist needs 13.81 mL of 1.458 M NaCl. What volume in mL of 3.767 M NaCl must be diluted in water…

A: Moles before dilution and after dilution ae same as per mole concept.

Q: 1. How many moles of potassium chloride, KCl, are in 35.0 g of KCl. 2. Enter your answer with both…

A: 1.) Given  mass of KCl = 35.0 g    Required data - molar mass of KCl = 74.5 g/mol   Formula used…

Q: In a student experiment, the empirical formula of a copper halide was found by adding aluminum metal…

A: Empirical formula is the simplest chemical formula that represents a compound. It is related to…

Q: A solution is prepared by dissolving 52.3 g of RbCl in enough water to form 502 mL of solution.…

A:

Q: molarity of HC

A:

Q: Calculate the molarity of a solution made by adding 54.1 g of NaNO3 to a flask and dissolving with…

A:

Q: Intravenous (IV) saline solutions are often administered to patients in the hospital. Normal saline…

A: Molarity is the ratio of the moles of solute to the volume of solution in L.Moles of solute is the…

Q: ppose 8.29 g of sodium bromide is dissolved in 200. ml of a 0.50 M aqueous solution of potassium…

A:

Q: You have 500 mL of a 0.10 M NaCl solution. You dilute the solution to a new volume of 1 L. What is…

A:

Q: Suppose 37.3 g of ammonium iodide is dissolved in 300. mL of a 0.60 M aqueous solution of potassium…

A: We have to calculate molarity of iodide anion

Q: A 74.0 mL74.0 mL aliquot of a 1.40 M1.40 M solution is diluted to a total volume of 238 mL.238 mL. A…

A: Given : Initial concentration of aliquot = 1.40 M  Initial volume of solution = 74.0 mL

Q: A 5.44 g sample of a laboratory solution contains 1.85 g of acid. What is the concentration of the…

A:

Q: A solution of CaCl, in water forms a mixture that is 38.5% calcium chloride by mass. If the total…

A: We have to calculate the mass of calcium chloride and water.

Q: A 66.7 mL sample of 18.0 M sulfuric acid was diluted with enough water in a volumetric flask to make…

A: We know, Vinitial x Sinitial = Vfinal x Sfinal Therefore, Sfinal = (Vinitial x Sinitial) / Vfinal…

Q: 250. mL of water is added to 150. mL of a 2.32 M aqueous solution of glucose. The solution is then…

A: Given information: Volume of water = 250 mL Volume of glucose = 150 mL Concentration of glucose =…

Q: In an experiment, a solution is prepared by dissolving 55.0 g NaOH in water until the final volume…

A: Given mass of NaOH = 55 g Volume of solution = 300 ml = 300 × 10-3 L