4. A chemist needs 500.0 mL of a 1.500 M perchloric acid solution. The stockroom provides the chemist with 10.00 L of 15.75 M perchloric acid solution to prepare the required solution. Calculate the volume of concentrated acid required and describe how the solution will be prepared. Select the correct volume of concentrated acid and all of the steps required to prepare this solution? 10.00 L 500.0 mL 47.62 mL 75.00 mL 21.00 mL weigh the required volume of solution measure the required volume of solution measure more than the required volume of solution rinse the transfer flask with DI water dilute with the concentrated acid solution fill to the mark with DI water pour the solution in to a volumetric flask dilute with DI water & stir O No answer text provided.

Q: 7. Exact amount of 25.0 ml NaOH solution whose concentration is 0.974 M was delivered from a pipet.…

A: Given Volume of NaOH solution = 25 ml Molarity of solution = 0.0974 M

Q: How many moles of Ca(OH) 2 are required to completely react with 300.0 L HCl solution? (HCl content…

A: Given that:  Volume of HCl solution = 300 L = 300000 ml and density = 1.2 g/ml So mass of solution =…

Q: A reagent bottle is labelled 3.00 M sulfuric acid. You titrate a 25 mL sample with 1.58 N sodium…

A: neutralisation reaction are reaction where the acid and base react to form a salt and water here we…

Q: A 25.0 mL sample of a 30.0%(v/v) HF solution has a density of 1.101 g/mL. The sample is diluted to a…

A:

Q: A 12.5% (w/w) NiCl2 (MM=129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the molar…

A:

Q: A 1.00 L NaCl stock solution has a molarity equal to 0.5 M, what is the final concentration when 200…

A:

Q: Write a detailed set of instructions for making two solutions: (1) 100 mL of 12 M NaOH from solid…

A: (1) Given, 100 mL of 12 M NaOH Molar mass of NaOH = 40 g.                                     48 g…

Q: If you take a 45.0 mL portion of 1.85 M. NH3 stock solution and dilute it to a total volume of 1.85…

A: Molarity before dilution = 1.85 MVolume before dilution = 45 mLVolume after dilution = 1.85 L = 1850…

Q: A student pours 350 mL of a 6.0 molar solution of sodium hydroxide into a 750 mL volumetric flask…

A: Given data : Initial volume of the solution = 350 mL = 0.35 L Molarity = 6 M So, Number of…

Q: How many grams of cobalt (II) nitrate would you need to add to a 100.0 mL volumetric flask to make a…

A: Molarity = number of moles of solute/volume of solution (in L)  so, number of moles = molarity ×…

Q: Na,CO3(aq) + CaCl,(aq) → 2 NaCl(aq) + CaCO3(s) Calculate the volume (in mL) of 0.200 M Na»CO3 needed…

A: Given, mass of CaCO3 = 2.00 g molar mass of CaCO3 = 100.09 g/mol => moles of CaCO3 = mass of…

Q: CHOICES ARE: X N M m n 1.) Which symbol expresses the amount of solute by the amount of solution?…

A: Here X = mole fraction  N = normality M = molarity m = molality  n = number of moles

Q: chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out ×1.010^2μmolof nickel(II)…

A:

Q: What mass of sodium chloride will you need to weigh out

A: Molarity = number of moles of solute/volume of solution (in L)/ so, number of moles = molarity ×…

Q: For the equation below, if you started with 340 g of FeBr2 and 1.5 X 1024 molecules of HCI, what…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: 47.8 mg of silver nitrate (AGNO3, 169.9 g/mol) was dissolved in water to make 10.00 mL of solution.…

A: Given information is as follows: The mass of silver nitrate = 47.8 mg = 47.8×10-3 g The volume of…

Q: A 14.8 M solution of concentrated nitric acid has 15.7 mL withdrawn from it. The 15.7 mL sample is…

A: When a concentrated solution of concentration C1 and volume V1 is diluted by adding water to a final…

Q: A student is asked to prepare 250 mL of a 0.0104 M NaCl solution. The student found a stock bottle…

A: Given: A student has to prepare 250 mL of 0.0104 M NaCl solution using 34.7 mL of 0.0723 M NaCl…

Q: what the concentration of NaCl in the original solution?

A: Given :- mass of NaCl = 0.505 g              Initial volume of solution = 75.0 mL   To calculate :-…

Q: At your next lab assignment, you are instructed to prepare 250 mL of 0.500 mol/L HCl by dilution of…

A:

Q: A student removes 25 mL of 3.0 M NaOH and dilutes it to final volume of 350 mL. What is the…

A: Given,  Initial volume, V1 = 25 ml  Initial concentration, S1 = 3.0 M  Final Volume, V2 = 350 ml…

Q: A highly concentrated hydrochloric acid solution is 12 M. What volume of a 12 M stock solution of…

A: We define Molarity is defined as moles of solute upon the volume in litre

Q: Calculate the molarity of the given solution of sodium sulfate. 40) A solution is prepared using 15…

A:

Q: In the laboratory a student combines 46.6 mL of a 0.307 M iron(III) fluoride solution with 22.4 mL…

A: GIVEN: The Volume of Iron(III) Fluoride = 46.6 mL The concentration of Iron(III) Fluoride =0.307 M…

Q: A beaker contains a water solution of unknown monoprotic* acid (molar mass of the acid is known to…

A: Mass percentage: It is a way of representing the concentration of an element in a compound or a…

Q: An aqueous solution was prepared by dissolving 2.11 g of NaCl in enough water to make 1500. mL of…

A:

Q: A solution of 0.5 M NaOH of volume 100 ml was diluted to 400 ml. What was the Molarity of the…

A: Given: Molarity of initial NaOH solution is 0.5 M. Volume of initial NaOH solution is 100mL. Volume…

Q: A chemist has a sample of 1.88 M HCl. What volume of the sample does he require to prepare 200 mL of…

A: M1=1.88M; V1=?    M2=0.45M; V2=200mL

Q: A hydrochloric acid solution consists of 42.0% HCI (36.46 g/mol) by mass and has a density of 1.14…

A: The balanced reaction given is, => Given: Concentration or %(m/m) pf HCl = 42.0 % Density of…

Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s) + 2HCI( aq) ZnCl2( aq) +…

A: From the above data,  mass of Zn = 3.75 g Concentration of HCl = 1.30 M The volume of HCl = 500 ml =…

Q: What volume of a 50.0% by mass solution of NaOH, which has a density of 1.515 g/mL, must be added to…

A:

Q: .1L of commercial grade hydrochloric acid is added to water to bring the total volume of the…

A: The volume(V1) of commercial grade HCl=0.1 L. The molarity(M1) of commercial grade HCl=12.4 M, The…

Q: What mass (in grams) of NaCl is needed to create 10.00 mL of a 0.10 M solution? mass of NaCl = What…

A:

Q: How many g of Fe(NO3)3 are present in a 20.0 mL sample of a 0.500 M solution? A) 2.14 g B) 9.68 g C)…

A: Number of moles can be calculated from the given Molarity:

Q: Determine the volume of 0.145 M NaOH solution required to neutralize each sample of hydrochloric…

A: According to the equation,MV = constant.Then,M1V1 = M2V2M1 = Molarity of NaOHV1 = Volume of NaOH.M2…

Q: What volume of a 1.50 M HCl solution should you use to prepare 2.00 L of a 0.100 M HCl solution?a)…

A: The given data contains, Molarity M1=1.50 MVolume V2=2.00 LMolarity M2=0.100 M

Q: Suppose that 2.89 L of 6.75 M potassium carbonate is added to 1.38 L of 1.57 M magnesium nitrate.…

A: In this question, potassium carbonate is added to magnesium nitrate, after reaction , total…

Q: 22. Which of the following aqueous solutions contains the greatest number of ions in solution? a.…

A: (a)2.0 L of 2.00 M sodium phosphate.

Q: If you add 250 ml of water to 250 ml of a 1.8M NaOH solution, what will the molarity of the diluted…

A: According to law of dilution, the number of moles of solute remains constant in the solution. During…

Q: How many moles of Ca(OH) 2 are required to completely react with 300.0 L HCl solution? (HCl content…

A:

Q: In the laboratory, a student dilutes 23.8 mL of a 8.98 M hydrochloric acid solution to a total…

A: We have given that  a student dilutes 23.8mL of a 8.98M hydrochloric acid solution to total volume…

Q: A 2.87% by mass solution of CaCl 2 has a density of 1.04 g/mL. What is the molarity of this…

A:

Q: If you add 250 ml of water to 250 ml of a 2.6M NaOH solution, what will the molarity of the diluted…

A:

Q: 47. Oxalic acid, H2C2O4, occurs as the potassium or calcium salt in many plants, including rhubarb…

A: Molality:Molality is defined as the number of moles of solute per  or one kilogram of solvent.…

Q: You are asked to make a stock solution of NaCl and dilute it to a 25 mL of 0.72 M and a 25 mL of…

A: We can make 100 mL of 1 M NaCl solution as stock solution. To make 100 mL of 1 M NaCl solution , the…

Q: In the laboratory you dilute 3.85 mL of a concentrated 12.0 M perchloric acid solution to a total…

A:

Q: A student needs to dilute a 0.36 M Pb(NO3)20.36 M Pb(NO3)2 solution to make 89.089.0 mL of 0.22 M…

A: For preparing the working solutions we use dilution formula. M1V1=M2V2M1=molarity of stock…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A: Mass/Volume concentration is defined as mass of solute present per mL of solution. Concentration…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.