mass percentage

Q: 1. Ten milliliters of ethanol (density=0.789 g/mL) is added to sufficient amount of water to produce…

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Q: Determine the amount in grams of KCI that exists in 20.3 gof a solution that contains 1.14 % KCI by…

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Q: le of commercial perchloric acid is 70.0% HCIO4 by mass, its density is 1.664 g/mL. How many ated…

A: Calculate the mass of perchloric acid in the given solution,

Q: A solution is made from 19.10 g of an unknown solute in 500. grams of water. The solution has a…

A: Given, Given mass of unknown solute= 19.10 g Mass of solvent= 500 g= 0.5 kg Molar mass of unknown…

Q: Determine the mass/volume percent of a solution made by dissolving: (a) 14.9 g C2H5OH (ethanol) in…

A: Given, mass of ethanol = 14.9 g volume of solution = 136.8 mL mass of NaCl = 31.2 g volume of…

Q: An aqueous solution of MgCl2 weighs 5 kg. The solution has 2 moles of MgCl2 present in it.The…

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Q: What is the concentration of a solution formed by diluting 210mL of 8.6M NaOH solutions to 0.81L ?…

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Q: 1. Compute for the mass of NaCl solid that is needed to prepare 25 mL of 5% (mass/vol) solution. 2.…

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Q: For a 5.0% solution of CaCl2, calculate the: a. mass of CaCl2 in 360. grams of solution. b.…

A: Mass percentage is defined as the total mass of the substance( solute) divided by total mass of the…

Q: A crystal of solid NaCl is placed into an aqueous NaCl solution. it is observed that more crystals…

A: Given, Crystal of solid NaCl is placed into aqueous NaCl solution  and no more crystal is dissolved.

Q: How many grams of Na2CO3Na2CO3 are present in 27.0 mL27.0 mL of a solution that is 27.0% Na2CO327.0%…

A: The volume of the solution is = 27.0 mL The mass percent concentration of the solution is = 27.0 %…

Q: KCl is 1.61% by mass in 54.6 g of water. Calculate the mass of KCl present in the solution

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Q: A solution of 0.5 M NaOH of volume 100 ml is diluted to to make a solution of 0.2M. Find the volume…

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

Q: 1. a) What volume of 8.40 N Al(OH)3 will be used to prepare 350.0 mL of 2.10 M solution? b) How many…

A: Solution -

Q: A solution was prepared by dissolving 34 g of KCl in 225 g of water. Calculate the mass percent of…

A: Given that, Mass of KCl (solute) = 34 g Mass of water (solvent) = 225 g Mass of solution = 34 g +…

Q: What is the concentration in molarity of an aqueous solution which contains 17.51% by mass ethanol…

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Q: Determine the mass of Na2S2O3.5H2O required to prepare 0.1N solution in 50 ml volume.

A: To determine the mass of Na2S2O3.5H2O.

Q: A solution contains 118.5 g KI per liter solution. Calculate the concentration in a) % w/v b) % w/w…

A: Given: mass of KI = 118.5g Volume of solution = 1 L Density = 1.078 g/mL

Q: A solution of 0.5 M NaOH of volume 100 ml is diluted to to make a solution of 0.2M. Find the volume…

A: Molarity of the solution is the number of moles of the Solute Present in one liter of solution. It…

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

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Q: 3 g BaI2 is dissolved in 145.0 g of H2O. Calculate the percentage concentration (by mass) of BaI2.

A: Percentage concentration by mass = 100 x Mass of solute/mass of solution

Q: 4. How is a supersaturated solution typically made? O by heating a solution to dissolve more solute,…

A: By heating a solution to dissolve more solute ,then letting it cool.

Q: A student makes a solution by dissolving 16.7 g of HCl into enough water to make 925 mL of solution.…

A: [ Mass (m) /Volume (V) ]% : - The mass in grams of solute present in 100 mL of solution is called…

Q: What mass of KI is dissolved in 900.0 g of a solution that is 75.0% KI by mass?

A: Mass percent of a solution is given by:

Q: A 106.1 mL of an H2SO4 solution contains 2.49 g of H2SO4. Calculate the normality of the solution.…

A: * Volume of Solution = 106.1 ml ( 1 L = 1000 mL) Volume of Solution = 0.1061 L * Mass of Solute…

Q: Concentrated HBr is 48% HBr by mass and has a density of 1.50 g/mL.How many grams of concentrated…

A: Given: Concentration of final solution = 1.50 M Volume of final solution = 750 mL = 0.750 L…

Q: A solution of 0.5 M NaOH of volume 100 ml is diluted to to make a solution of 0.2M. Find the volume…

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Q: If we wish to prepare a 0.20 M solution of NaCl, how much water must be added to1.0 mole of NaCl?…

A: Molarity of any solution is given by

Q: what volume of solution in liter is required to make a 1.4 M solution by dissolving 24.4 grams of…

A: Mass of NaNO3= 24.4 g Molarity of solution = 1.4 M

Q: Determine the mass/volume percent of a solution made by dissolving: (a) 16.2 g C2H5OH (ethanol) in…

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Q: 12.24 Concentrated HI is 47.0% HI by mass and has a density of 1.50 g/mL. (a) How many grams of…

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Q: What is the molarity of a solution of 25.0 g NaOH (molar mass = 40.00 g/mol) dissolved in  .250 L…

A: Molarity Number of moles of solute substance present in particular volume of solution is known as…

Q: Part A How much concentrated solution would it take to prepare 2.95 L of 0.585 M HCl upon dilution…

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Q: solution

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Q: What is the concentration in molarity of an aqueous solution which contains 33.61% by mass ethanol…

A: Molarity of any solution is the ratio of moles of solute to the volume of solution in litres.

Q: Determine the mass/volume percent of a solution made by dissolving: (a) 18.6 g C2H5OH (ethanol) in…

A: Step 1   Given:   The mass of ethanol is 18.6 g. The volume of ethanol solution is 130.6 mL. The…

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

A: To determine the concentration in mass percent of the given solution.

Q: A 67.0 mL67.0 mL aliquot of a 0.500 M0.500 M stock solution must be diluted to 0.100 M.0.100 M.…

A: Initial Volume (V1) = 67 ml = 0.067 L Initial Molarity (M1) = 0.5 M Final Molarity (M2) = 0.1 M…

Q: 1 mole of NaCl is dissolved in enough water to make 500 mL solution. The molarity of that solution…

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Q: The density of 85% of H3PO4 by mass is 1.70 g/mL. How to prepare 2.5 L and 0.5 M diluted H3PO4…

A: Given: Density of H3PO4 = 1.70 g/mL Molecular weight of H3PO4 = 97.994 g/mol The concentrated H3PO4…

Q: Solution A is 3.00 M CaCl2. 10.0 mL of solution A are diluted to solution B. 40.0 mL of solution B…

A: Solution-Given M=3 MV=10mLmoles of CaCl2= molarity × volume in litremoles of CaCl= 3  molL×0.01…

Q: 1. What happens to the unit particles of solute when it dissolves in a solvent? 2. A true solution…

A: The given questions are based on the concept of solute and solution. We proceed as follows-

Q: For a 25.0% solution of CaCI2, calculate the: a. mass of CaCl2 in 460.0 grams of solution b. amount…

A: Given data contains, Mass percent of CaCl2 solution is 25.0%. Mass of solution is 460.0 grams.

Q: CHAPTER 8 - SOLUTIONS Submit Qu O Previous Page 9 of 35 E Next O References Use the References to…

A: Since at 100 degree Celsius, the maximum amount of salt that will dissolve in water is = 28.9 g /…

Q: Solutions of hydrogen in palladium may be formed by exposing Pd metal to H2 gas. The concentration…

A: Henry's law basically states that concentration of any gas is directly related to corresponding…

Q: To make a 3.00 m solution, one could take 3.00 moles of solute and add O 1.00 L of solvent. O 1.00…

A: Molality ( m ) :- It is defined as the number of moles of solute (n)  dissolved in 1 kg of solvent.…

Q: 1. A 0.10 M HNO3 solution will be prepared from concentrated HNO3. Using the method outlined in…

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Q: what volume of solution in liter is required to make a 0.5 M solution by dissolving 27.1 grams of…

A: Given,   Molarity = 0.5 M Mass of NaNO3 = 27.1 g Molar mass of NaNO3 = 85 g/mol

Q: salt

A: According to the question, a solution is made by putting 100g of NaNO3 into 200 mL of water at 70°C…