Blue #1 is an FDA approved dye with the formula C37H34N2Na2O9S3. A stock solution is prepared by adding 75.0 mg of Blue #1 to enough water to prepare 250.0 ml of solution. A working solution is prepared by diluting 25.0 ml of the stock solution to a final volume of 500.0 ml. Calculate the concentration of the working solution in mol/L.

Q: Dissolve 1000 g of Potassium Iodide in 650 mL hot purified water using a 2 L capacity beaker. Allow…

A: Mass of Potassium iodide added = 1000 g Volume of Potassium iodide solution = 1 L = 1000 mL For…

Q: Granulated sugar (sucrose, C12H22O11) has an average density of about 0.85 g/cm3. Calculate the…

A: Molarity :-  The number of moles of solute dissolved in one litre of solution is called molarity M =…

Q: A diluted bleach solution was found to have a concentration of 0.0250 M. It was originally prepared…

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Q: What is the molarity of a solution prepared by diluting 43.72 mL of 1.005 M aqueous K2Cr2O7 to 500…

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Q: The therapeutic concentration—the concentration needed to be effective—of acetaminophen (C 8H 9NO 2,…

A: a) 1 ppm is equivalent to 1 mg/L of solution.  Thus 15 ppm will be equivalent to 15 mg/L. Conversion…

Q: Which NaOH solution is the most concentrated? (assume a density of 1.00 g/mL wherever necessary;…

A: We have to predict solution of highest concentration.

Q: How to calculate the mass percent concentration of a solution of 0.14 g C13H22O11 in 75.55 g H2O.

A: The mass percentage of a solution is the grams of the solute present in the grams of the solution…

Q: What will be the final volume of a solution prepared by diluting 25 ml of 8.25 M sodium hydroxide to…

A: We can determine the final volume of NaOH using formula of dilution,              M1×V1=M2×V2 Where,…

Q: a) A 10.0mL sample of concentrated (pure) sulfuric acid (H2SO4) contains 17.7g of H2SO4. Determine…

A: Since you have posted multiple question. We will solve the first question for you. To get the…

Q: Rank there aqueous solutions in order of increasing conductivity and explain why.  (a) .1 M CaCL2…

A: The conductivity increases with the increase in ions.

Q: 1. Calculate the mass (in grams) of magnesium chloride (MgCl 2 ) that would be needed to prepare 150…

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Q: Determine the concentration of 7.13 g zinc nitrate (MW = 189.4 g/mol) dissolved in 200.0 mL…

A: The solution is as follows:

Q: What is the concentration (M) of CH3OH in a solution prepared by dissolving 30.2 g of CH3OH in…

A: The answer to the following question is-

Q: How many grams of ascorbic acid must be dissolved in 0.15 liters of water to produce a 0.3 M…

A:

Q: A solution is prepared by diluting 15.0 mL of 13.7-M phosphoric acid solution to a final volume of…

A: Welcome to bartleby!  Introduction : We have to calculate concentration of new solution .

Q: A 4.00 g mass of NaOH is dissolved in 5.00 mL of water. A 4.00-mL aliquot of this solution is then…

A: Molar concentration of solution (molarity) is the no of moles of solute per liter of solution.…

Q: What is the maximum volume of 0.25 M sodium hypochlorite solution (NAOCI; laundry bleach; MW= 74.44…

A:

Q: a) What is the molarity of a solution made by dissolving 10 moles of sucrose, C12H22O11, in 10L of…

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Q: What is the concentration in ppm if 0.808 grams of CaCl2 is dissolved in 250 ml of water.  A. 11220…

A:

Q: Determine the molarities of the following solutions: a) 150 g of sucrose (C12H22O12) are dissolved…

A: Molarity is difine as ratio of no mole of solute dissolved in in 1 litter solvent. Molarity = no…

Q: You are asked to create a 0.35 M solution of calcium chloride (CaCl2) using a 250.0 mL volumetric…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: What volume of a 0.500m NaOH solution is required to neutralize 40.0ml of a 0.400 m H2SO4 Solution…

A: H2SO4+2NaOH=2H20+Na2SO4 Volume of H2SO4 (V1) = 40 ml  Molarity of H2SO4 (M1) = 0.400m  Volume of…

Q: Hydroiodic acid is currently listed as a Federal DEA List I Chemical since a combination of HI and…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: Calculate the molar concentration of H2S04 (98.0 g/mol) in a solution that has a specific gravity of…

A: 95 % (w/w) concentration of sulfuric acid states that the 100 g of solution contains 95 g of…

Q: What is the concentration of an aqueous sodium sulfide solution that is prepared by dissolving 18.6…

A: Given, mass of Na2S = 18.6 g Volume of Solution = 2.00*102 mL 1000 mL = 1L 200 mL = 0.2 L  Molar…

Q: Dissolve 1000 g of Potassium lodide in 650 mL hot purified water using a 2 L capacity beaker. Allow…

A: Given that 1000 g of potassium iodide is dissolved in 650 mL of the hot purified water using a 2 L…

Q: Describe the preparation of a 700 mL of 4.36% (w/v) aqueous ethanol (C2H; OH, 46.1 g/mol). Weigh ___…

A: Molar mass of CH2OH = 46.1 g /mol

Q: (PART A) Calculate the mass percent of a solution containing 15.0 gg of Na2SO4Na2SO4 and 83.5 gg of…

A: Percent mass = 100 x Mass of solute/Mass of solution Molarity = Number of moles of solute/Volume of…

Q: Calculate the boiling point of 0.150 m aqueous solutions of Mg(NO3)2

A: Given : Molality of Mg(NO3)2 = 0.150 m

Q: Given: 0.35g NaCl, 0.25 g NaHCO3, 0.15 g KCl & 2 g C6H12O6 are present in 100 mL ORS solution (MW:…

A: The molar mass of NaCl is 58.44g/mol  The molar mass of NaHCO3 is 84.007g/mol  The molar mass of KCl…

Q: A solution of Naz2SO4 was prepared by dissolving an unknown mass in distilled water to form 100.00…

A: The molarity of a diluted solution made from a concentrated solution can be calculated as follows;…

Q: What is the concentration of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M…

A: We have to calculate the concentration of sodium ions  .

Q: a) A typical commercial grade phosphoric acid stock is 75% H3PO4 by mass and has a density of 1.57…

A: A solution is formed by dissolving solute in any solvent. Solute is present in smaller no. of moles…

Q: If 28.5 g. of Ca(OH)2 is dissolved in enough water to make 185 g. solution. Calculate the %…

A:

Q: Suppose 3.32g of nickel(II) iodide is dissolved in 50mL of a 0.40 M aqueous solution of potassium…

A: Molarity is difine as no of mole solute dissolved in 1 litter solution.

Q: 1) 11. 3 g BaI2 is dissolved in 145.0 g of H2O. Calculate the percentage concentration (by mass) of…

A: Since you posted multiple questions, we only answered the first one   1) We have  Percent…

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

A:

Q: You have been hired as lab manager for Dr. Fuchs’ research lab. She has asked you to prepare 850 ml…

A: Molarity is defined as the ratio of the number of moles of solute to the volume of solution in…

Q: A 250 cm solution is prepared by dissolving 8,0 g sodium hydroxide in distilled water. a) Calculate…

A: Given data mass of sodium hydroxide (NaOH) = 8.0 g Volume of NaOH solution = 250 cm3…

Q: A 2.15 L volume of KOH of an unknown concentration is mixed with 2050 mL of 0.445 M NaOH. The…

A: If same nature of two solutions are mixed with different concentrations and volumes then the…

Q: Assume that 2.335 g K2Cr2O7 is dissolved in enough water to make a 500. ML soluti

A: Molar concentration of potassium dichromate is calculated as follows,

Q: 2) A solution contains 5.4 grams of selenium in 250 kg of water. Calculate the concentration of…

A:

Q: 1. Calculate the molar mass of sodium carbonate, NazCO, 105.9884 g/mol 2. Calculate the mass of…

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Q: A 1.2000 g sample of (NH4)2Ce(NO3)6 (548.23 g/mol) is dissolved in water and diluted to 100.0 mL.…

A: Given the mass of (NH4)2Ce(NO3)6 dissolved = 1.2000 g  Molar mass of (NH4)2Ce(NO3)6 = 548.23 g/mol…

Q: aqueius solution is prepared by dissolving 14.2 of methanol (p= 0.793 g/ml) in enough water to…

A:

Q: Suppose each student in a laboratory prepares two aqueous solutions, Solution A and Solution B, then…

A: Interpretation: We have to predict the conductivity of these given solutions.

Q: What is the molarity of the solution obtained by diluting 125 mL of 2.50 M NaOH to 575 mL? a.…

A: Molarity of solution after dilution can be calculated using formula,

Q: Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of…

A: We have to predict the molar concentration .

Q: solution of Ca(NO3)2 at 1.903 M is diluted from its original volume of 0.7865 L by adding 0.6115 L.…

A: Given that: Initial concentration(M1) = 1.903M Initial volume(V1) = 0.7865L Final volume(V2) =…