A chemistry student weighs out 0.0353 g of sulfurous acid (H, SO,). a diprotic acid, into a 250, mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1200 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Round your answer to 3 significant digits.

Q: A chemistry student weighs out 0.110 g of hypobromous acid (HBrO) into a 250. mL volumetric flask…

A: • Concentration = No.of MolesVolume• No.of Moles = Concentration x Volume•  No.of gram Equivalent =…

Q: 1.813 g C4H4O4 is dissolved in H20 and titrated with NaOH. 24.9 mL of a NaOH solution were required…

A: Given Mass of C4H4O4 = 1.813 g Volume of NaOH = 24.9 ml

Q: An analytical chemist weighs out 0.344 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given: Mass of acid = 0.344 g Molarity of NaOH = 0.0700 M Volume of NaOH = 65.5 mL = 0.0655 L

Q: A 14.0 mL sample of vinegar, which is an aqueous solution of acetic acid, CH3COOH, requires 24.5 mL…

A: From the balanced chemical equation:mols CH3COOH(vinegar) = mols NaOH(titrant) mols NaOH = MNaOH x…

Q: Objective KTIOV A chemistry student weighs out 0.0434 g of sulfurous acid (H,SO,), a diprotic acid,…

A: Molarity is defined as number of moles per litre of solution.

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

A:

Q: ollowing the procedure, a student recorded the initial volume of sodium hydroxide in his buret as…

A: Molarity can be defined as the number of moles of a substance that is dissolved in 1 liter of the…

Q: An analytical chemist weighs out 0.047 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Molar mass of unknown monoprotic acid as shown below

Q: I have 571 mL of a 4.1 M NaCl solution. If I boil the water until the volume of the solution is…

A:

Q: Mass of Erlenmeyer flask: 25.52 g Mass of Erlenmeyer Flask + Calcium Hydroxide Solution (lime…

A: Mass of Ca(OH) 2 = 2.92 g Density of Ca(OH) 2= 1 g/ml As we know        Density = mass/ volume We…

Q: An analytical chemist weighs out 0.244 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

Q: A chemist prepares a solution of silver(I) perchlorate (AgCIO,) by measuring out 5.9 × 10´ µµmol of…

A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…

Q: An analytical chemist weighs out 0.133 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

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

A:

Q: An analytical chemist weighs out 0.461 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: The molar mass of an unknown acid is to be calculated from the given data. Given: Mass of unknown…

Q: 15 16 17 18 19 20 21 22 23 24 26 A chemist must prepare 0.225 L of 5.00 M aqueous silver perchlorate…

A:

Q: If 120 mL of a 1.2 M glucose solution is diluted to 550.0 mL, what is the molarity of the diluted…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.…

Q: A 50.0 mL aqueous stock solution of 0.67 M HCl is diluted to a final volume of 188.1 mL. What is the…

A: The volume of stock solution before dilution (Vi) = 50.0 mL The molarity of stock solution before…

Q: Following the procedure, a student recorded the initial volume of sodium hydroxide in his buret as…

A:

Q: An analytical chemist weighs out 0.131 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given: Weight of monoprotic acid is 0.131 g. Volume of acid is 250 mL. Molarity of NaOH is 0.1800 M.…

Q: An analytical chemist weighs out 0.045 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given that: Mass of diprotic acid  = 0.045 g Volume of diprotic acid  = 250 mL Molarity of NaOH =…

Q: solution was standardized using 0.256 g of sodium carbonate. (Na2CO3 = 106 g/mol; HCl = 36.46 g/mol)…

A: Given,  Mass of Na2CO3 = 0.256 g Na2CO3 = 106 g/mol; HCl = 36.46 g/mol) Moles of Na2CO3 = mass/Molar…

Q: A chemist must dilute 21.1mL of 6.81M aqueous calcium bromide CaBr2 solution until the concentration…

A: Here we have to see the concept of dilution. When we dilute the concentrated solution to low…

Q: An analytical chemist weighs out 0.118 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: Mass of the triprotic acid = 0.118 g Volume = 250 mL Molarity of NaOH = 0.1100 M Volume of NaOH…

Q: An analytical chemist weighs out 0.115 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given; The volume of the NaOH solution=8.5 mL = 0.0085 L. The molarity of NaOH = 0.1500 M. The given…

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

A: Given that : The weight of the empty graduated cylinder = 8.0 g The weight of cylinder with…

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

A: Answer

Q: An analytical chemist weighs out 0.120 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Let the diprotic acid be H2A. Given, mass of diprotic acid = 0.120 g            volume of diprotic…

Q: cal chemist weighs out 0.087 g of an unknown monoprotic acid into a 250 mL volumetric flask and…

A: We should equal equivalent of both acid and NaOH ion to get molar mass of acid  Equivalent =…

Q: An analytical chemist weighs out 0.181 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

Q: An analytical chemist weighs out 0.091 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: During a Titration, at equivalence point , the substance reacts completely with the added substance.…

Q: An analytical chemist weighs out 0.066 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: An analytical chemist weighs out 0.067 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given,  Mass of diprotic acid     = 0.067 g  Volume of diprotic acid = 250 mL  =  0.25 L Molarity of…

Q: In the laboratory you dilute 5.08 mL of a concentrated 6.00 M hydrochloric acid solution to a total…

A: The volume of the concentrated solution, V1=5.08 mL The Concentration of the concentrated solution,…

Q: An analytical chemist weighs out 0.112 g of an unknown monoprotic acid into a 250 mL volumetric…

A: We need to use molarity equation to solve this question.

Q: On their third titration trial, the CHM 111 student used 18.80 mL of 0.205 M NaOH(aq) to neutralize…

A: Balanced Reaction HCl (aq) + NaOH (aq) ---> H2 O (l) + NaCl(aq)  Volume of NaOH = 18.80 mL…

Q: The label on a bottle of “organic” liquid fertlizer concentrate states that it contains 7.40 grams…

A:

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

A: Given: The mass of the empty graduated cylinder is 8.25 g. The total mass of the graduated cylinder…

Q: To determine the molarity of an unknown sulfuric acid solution in a titration, a standardized NaOH…

A: The balanced neutralization between NaOH and H2SO4 is given as: 2NaOH+H2SO4→Na2SO4+2H2O

Q: 7B.

A: Since mass of solute is constant and we are adding water only. Hence the final concentration =…

Q: A sample of freshly precipitated and filtered silver chloride weighs 459.0 mg. If 1.00% of the…

A:

Q: An analytical chemist weighs out 0.279 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: The given data contains, mass = 0.279 g. Volume = 250 ml. Molarity of NaOH=0.1400 M. Volume of NaOH…

Q: In a titration experiment, a student finds that 23.48 mL of a NaOH solution are needed to neutralize…

A: Step : 1             What is the concentration (in molarity) of the NaOH solution?

Q: A chemist must dilute 29.5 mL of 11.7 µM aqueous zinc oxalate (ZnC,04) solution until the…

A: In the dilution process, the relationship between initial and final concentrations and volumes of…

Q: 1.872 g C4H4O4 is dissolved in H20 and titrated with NaOH. 12.3 mL of a NaOH solution were required…

A: Applying formula  Molarity = no. of moles of solute /vol of sol(Lt)  No. Of moles of C4H4O4 =…

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

A:

Q: A chemistry student weighs out 0.0960 g of phosphoric acid (H,PO4), a triprotic acid, into a 250. mL…

A: Given: Mass of H3PO4  = 0.0960 g Volume of H3PO4 solution = 250.0 mL = 0.250 L Molar mass of H3PO4 =…

Q: An analytical chemist weighs out 0.264 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given data is as follows: The mass unknown diprotic acid = 0.264 g    The volume of water = 250 mL =…

Q: How much water (in mL) should you add to 50.0 mL of 0.300 M H2SO4 (aq) to get a solution of 0.130 M…

A: Given: The initial volume, (Va)=50 mL The initial concentration, (Ma)=0.3 M The final volume,…

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