%3D What mass of NaCl is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles/ Liter O 1.17 g O 1170 g O 1.00 g O 0.0200 g 2930 g

Q: If you wanted to prepare 500.0 mL of a 0.250 M solution of dextrose (C6H1206) in water, how much…

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Q: What is the molarity of a solution that is 26.0% by mass phosphoric acid (H3PO4) and that has a…

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Q: How many grams of solute are needed to prepare  2.81  ×  102  g of  0.900% (mass/mass)  NaCl

A: Answer: In this question mass of solution and mass% of NaCl is given to us and we have to find out…

Q: What mass of NaNO3 is required to prepare 30.9 mL of solution of NaNO3 with a molarity of 0.144 M? g…

A: Answer: 0.38 g

Q: What is the mass % of propylene glycol in a 2.77 M solution of propylene glycol (MM = 76.09 g/mol)…

A: Mass percent shows the mass of solute present during a given mass of solution.  Mass percent is…

Q: What is the molarity of a 1.14 m solution of fructose (formula mass = 180.16 g/mol) if the density…

A: Molarity is the no. Of moles of solute dissolved in per litre of solution, while molality is no. Of…

Q: What is the molarity of the solution when you dissolve 15.00 g of calcium acetate in 250.0 mL of…

A: molarity = (no.ofmolesofsolute ÷ volumeofsolution in liter)

Q: A 4.90% by mass solution of KCl has a density of 1.03 g/mL. What is the molarity of this solution?…

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Q: The density of solution prepared by dissolving 60 g of sucrose (molar mass= 342 g/mol) in 900 g of…

A: Given data: The density of the solution is 1.96 g/mL. The mass of water is 900 g. The mass of…

Q: What is the mass of the solute in 250mL of 0.201M lead (II) sulfate? O 377g O 10.4g O 50.3g O 15.2g…

A: The given data contains, Volume of lead sulphate = 250 ml Molarity = 0.201 M

Q: O How many grams of a 15.2 % NAOH solutions are required to raise the concentration of a 150 g of an…

A: Given: Mass of initial solution = 150 g. Concentration of NaOH in initial solution (%(m/m)) = 8.4 %…

Q: What is the concentration, in mass percent, of a solution prepared from 50.0 g NaCl and 150.0 g of…

A: The mass of solute, NaCl is = 50.0 g The mass of solvent, water is = 150.0 g The mass percent of the…

Q: 3. Determine mass percent of a solution of sucrose (C12H22011) prepared by dissolving 3.245 g of…

A: In this question, we want to determine the mass percent of sucrose Solution.  How we can determine,…

Q: A solution is prepared by dissolving 2.86 g KMnO4 in 75.0 mL of water. (Density H₂O = 1.00 g/mL).…

A: Mass percent is calculated using the mass of solute and total mass of solution .

Q: How is a 1% CuSO4 solution prepared by mass based on CuSO4.5H2O solid?

A: Given: 1% CuSO4 solution

Q: A solution is prepared by dissolving 98.6 g of LICI in enough water to form 675 mL of solution.…

A: Given  Mass of LiCl = 98.6 gram  Volume of solution =  675 mL                                 =  675…

Q: The chemistry teacher needs a solution made up of a 3 g sugar cube (C6H12O6) dissolved in a 250 ml…

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Q: What mass of sucrose, C11H22011, is needed to make 500.0 mL of a 0.200M solution? O 34.2 g O 100 g O…

A: Molecular formula = C12H22O11 Volume = 500.0 ml = 0.5 L Molarity of solution = 0.200 M

Q: How many grams of AgNO3 are present in 60.0 mL of a 2.50 M AgNO3 solution? Molar mass of AgNO3 =…

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Q: The concentration of urea in a solution prepared by dissolving 16 g of urea in 30 g of H20 is % by…

A: Percent ratio of  mass of solute and mass of solution is known as mass percent concentration.

Q: A solution is prepared by dissolving 25.0 mL ethanol, C₂H5OH (density = 0.789 g/mL), in enough water…

A: The volume of the ethanol is .The density of the enthanol is .The volume of the solution is .To find…

Q: Calculate the composition of the following solution in mass/mass %:   59.0 g KCl per 3.00  ×  102…

A: Given :mass of solute, KCl  = 59.0 g        Volume of solution = 3 × 102 mL   Density of solution=…

Q: What is the molarity of the solution prepared by diluting 35.0 mL of 1.25 M AgNO3 to each of the…

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

Q: What is the molarity (M) of a solution of 15.0 g of Al2(SO4)3 dissolved in 250.0 mL of water? Group…

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Q: What is the concentration in molarity of an aqueous solution which contains 5.36% by mass ethylene…

A: The objective of this question is to calculate the molarity of an aqueous solution of ethylene…

Q: Calculate the molarity of a solution prepared by diluting 165 mL of 0.688 M CaCl2 to a final volume…

A: Given:

Q: How many grams of solute are needed to prepare      2.81  ×  102  g of  1.25% (mass/mass)…

A: Given : mass % of NaC2H3O2 solution= 1.25 % w/w         Mass of solution = 2.81 ×102 g Required :…

Q: What mass of a concentrated solution of nitric acid (68.0% HNO3 by mass) is needed to prepare 400.0…

A: Given: Initial mass percentage of nitric acid = 68.0%Final mass percentage of nitric acid =…

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

A:

Q: What is the concentration in molarity of an aqueous solution which contains 1.15% by mass acetone…

A: 1.15 % by mass , 100 g solution contains 1.15 g actone Moles of Acetone =1.15/58.08       = 0.0198…

Q: What volume of 0.252 M potassium hydroxide solution is required to completely neutralize 0.0106…

A: Chemical ReactionH3PO4 +3 KOH →K3PO4  + 3H2OMolarity of KOH = 0.252 MMoles of Phosphoric Acid =…

Q: what mass of NaBr is needed to prepare 1.12L of a 0.15 M aqueous solution of NaBr?

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Q: 75.1 g C2H6O in 2.49 L of solution         Molarity = ? M

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Q: What volume of 6.0 M NaOH (molar mass = 40.0 g/mol) is needed to prepare 100 ml of 1.0 M NaOH?

A: The given problem relates to stock dilution, so we can use the stoichiometric relation to calculate…

Q: Commercial grade fuming nitric acid contains about 90% HNO3 by mass with a density of 1.50 g/mL,…

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Q: How many moles of Na+ are present in 343 mL of a 1.27 M solution of Na2SO4?

A: Moles = molarity × volume (L) Number of moles of Na2SO4 = 1.27 M × 0.343 L = 0.43561 mole

Q: What volume of 12.1 M HCl must be diluted to prepare a 0.250 0 M HCl solution with a volume of 2.000…

A: We have to find the volume of 12.1 M HCl must be diluted to prepare a 0.2500 M HCl solution with a…

Q: What is the concentration in molarity of an aqueous solution which contains 1.31% by mass ethylene…

A: Given: Mass percentage = 1.31% Molar mass of ethylene glycol = 62.07g/mol Density = 1.04g/mL

Q: What mass of potassium nitrate is in 2.50 L of a 1.26 M solution? The molar mass of potassium…

A: Hence 4th option is correct that is 318 gram

Q: What volume in L of a 0.320 M Mg(NO₃)₂ solution contains 45.0 g of Mg(NO₃)₂ ?

A: Given, mass of Mg(NO3)2 = 45.0 g we know, molar mass of Mg(NO3)2 = 148.3 g/mol => moles of…

Q: What mass of AlCl3.6H20 is needed to prepare 500 ml. of 0.0740 M Cl- solution 1. 07.31 g 2. O0.81 g…

A: We can determine the mass of solute present in the solution from the given formula : Formula  : Mass…

Q: If 483 g of water is added to 75 g of a 4.6-m NaCl solution, what is the mass percent of NaCl in the…

A: Total mass of the solution = mass of water + mass of NaCl solutionTotal mass of the solution = 483 g…

Q: Calculate the % by mass Sr(OH)2 , M, N, m, mf H2 O of a Sr(OH)2 solution that contains 107.2 g…

A: Given that, Volume of solution = 3L = 3000 mL,          Density = 1.14 g/mL Mass = Volume x Density…

Q: 5.32 x 1023 molecules of sucrose (table sugar) is dissolved in water to create a 1.78L solution.…

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