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: A solution is made by adding 15.62 g of Ba(OH)2 to water until the solutions volume is 250.0 mL.…

A: Number of moles of Barium hydroxide can be calculated as follows: No. of moles  = massmolar massNo.…

Q: A 25.0 mL aqueous solution of 1.32 M K₂SO4 is necessary for a particular reaction. How many grams of…

A: Molarity of substance is the number of moles present in one litre of solution.

Q: What is the mass of a solution if 25.0 ml of NaOH was added to a 35.0 ml of water? Assume a density…

A: The density of a solution is the ratio of its mass to volume. It is labelled in equation (1) in…

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: In the laboratory you dissolve 12.0 g of aluminum nitrate in a volumetric flask and add water to a…

A: Molar mass of Al(NO3)3 = 213 g/ mol Given mass of Al(NO3)3 = 12.0 g  Moles of Al(NO3)3 = Mass /…

Q: What volume of stock solution do you need to prepare 50.00 mL of .0125 M HCl solution from 1.25 M…

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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: 3.0 mL of an 11.65 M HCl solution is diluted until its molarity is 0.250 M. What is the volume of…

A: Given data contains, Initial volume is 3.0 mL. Initial molarity is 11.65 M. Final molarity is 0.250…

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

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Q: Phosphoric acid (H3PO4) is important in the production of both fertilizers and detergents. It is…

A: Molarity of H3PO4 = 14.8 MVolume of H3PO4 = 1.81109 gallonMolar mass of Ca5(PO4)3F = 504.30 g/mol

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

A: Molarity of a solution is defined as the number of moles of solute present in one litre of solution.…

Q: What mass of Fe(NO3)3 do you need to prepare 150.00 mL of 0.550 M solution? Make sure all of your…

A: Mole is a standard unit for measuring large quantities of very small entities such as…

Q: How many grams of chlorine are in 269 milliliters of a 1.362 M MgCl2 solution? Hint: the solubility…

A: Molarity is the moles of solute present per unit of volume. So we can determine moles of solute if…

Q: A solution of sucralose (molar mass=397.6 g/mol) was made by dissolving 23.20 g of sucralose into…

A: Moles of sucralose = given mass/Molar mass. And Molarity= moles of solution / volume in litres.

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

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Q: A 5 mL aliquot of the 0.02196 M "stock" solution is transferred to a fresh 100 mL volumetric flask…

A:

Q: You are making 2,000 mL of a 1.6 M KBr solution.  How many moles of KBr will be added?  How many…

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Q: what is the molarity of the resulting solution?

A:

Q: copper chloride 6  a 5.2540 g sample of magnesium-zin alloy is dissolved in hyfrochloric acid to…

A:

Q: What is the molarity of a solution made by mixing 2.77 g of potassium hydroxide with enough water to…

A:

Q: A 51.0 mL51.0 mL aliquot of a 1.40 M1.40 M solution is diluted to a total volume of 248 mL.248 mL. A…

A: Given: Initial volume = V1 = 51.0 mL Initial Molarity = M1 = 1.40 M Total volume = V2 = 248 mL

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

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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…

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Q: It can be helpful to clean hard water stains (mainly calcium carbonate ) with household vinegar.…

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Q: The solubility differs from concentration because concentration is amount of solute per volume of…

A: Solution is the homogeneous mixture of two or more substances which consists of two phases solute…

Q: A sample of 9.34 g of solid calcium hydroxide is added to 32.0 mL of 0.440 M aqueous hydrochloric…

A:

Q: What volume of 0.218 M KMnO4 solution is needed to prepare 503. mL of 0.0151 M KMnO4? Enter your…

A: The equation is, M1V1 = M2V2

Q: you are provided a 2.5 M NaCl solution. you are tasked with preparing 350.00 mL of a 0.95 M…

A:

Q: In the standardization of NaOH solution, 0.5211 g potassium hydrogen phthalate (204.22 g/mol) is…

A: Given: Mass of potassium hydrogen phthalate present = 0.5211 g The molar mass of potassium hydrogen…

Q: 227 mL of a 3.2 M solution of KBr is diluted to 731 mL.  What is the new concentration of the…

A: The process of dilution is defined as the process in which a solution with a lower concentration is…

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: What volume of 0.275 M KMnO4 solution is needed to prepare 514. mL of 0.0270 M KMnO4? Enter your…

A: Molarity of a solution is defined as the number of moles of solute present in one litre of a…

Q: A solution is prepared by dissolving 15.7538 g of hemoglobin (64,458 g/mol) in enough water to make…

A: Molarity is equal to the number of moles of solute dissolved in per liter of solution. It is denoted…

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 0.750 ? aqueous solution of KBr has a total mass of 81.0 g. What masses of solute and solvent are…

A:

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: How many grams of KBr are contained in 161 g of a 6.66% by mass KBr solution? g KBr

A:

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: What is the volume of concentrated HCl  to make 100 mL of 0.10 M HCl? ( density of concentrated HCl…

A: Molarity of the desired HCl solution, C = 0.10 M or 0.10 mol/L  Volume of the desired HCl solution,…

Q: What is the concentration of methanol in a solution prepared by combining 7.97 mL of a 3.849 M…

A:

Q: 29.5 mL of 2.50 M stock solution of sucrose is diluted to 50.0 mL. A 12.3 mL sample of the resulting…

A: We know that  Molarity of solution= mol of solute/ vol. of solution (L)  mole of sucrose = Molarity…

Q: A 0.8910 g sample of a mixture of NaCl and KCl is dissolved in water, and the solution is then…

A: Given : Mass of mixture = 0.8910 gAnd mass of AgCl produced = 1.923 gmolar mass of AgCl = Atomic…

Q: A diluted NaCl solution is made by mixing 110.5 mL of 1.26 M NaCl with 201.3 mL of water.  What is…

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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: Suppose 33.3g of potassium bromide is dissolved in 350.mL of a 0.70 M aqueous solution of silver…

A: