A student weighs out 1.215 g of an impure KHP, dissolves the sample in 100. mL DI water and titrates it with 0.120  M NaOH solution. If the titration requires 31.5 mL of the NaOH solution, and none of the impurities react with NaOH, what is the percent KHP in the sample ?  KHP = KHC8H4O4 Atomic masses : K = 39.1, H =1.00, C =12.0, O =16.0 g/mol, respectively.

Q: What mass of KHP will be completely neutralized by 32.57 cm33 of 0.175 M standard NaOH solution? The…

A:

Q: A titration is set up so that NaOH is in a buret and 25.0 mL of HBr soln is in a flask. TheNaOH has…

A: Given, molarity of NaOH MNaOH =0.250 Mvolume of NaOH solution VNaOH =36.3 mLvolume of HBr solution…

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs…

A: In the given question we have to calculate the Molarity of NaOH solution,  first of all, we have to…

Q: on, how many mL of 0.200M NaOH solutio O FO OM ICI

A:

Q: A mixture of 2.00 mL 0.100 M sodium hydroxide and 1.00 L of 0.200 M calcium chloride was prepared.…

A:

Q: A 10.00 mL sample of vinegar is titrated with 0.2731 M NaOH.  22.05 mL of NaOH are needed to get to…

A: Titration The titration is a process of carrying out a chemical reaction between two chemicals…

Q: 2) A 50.0 mL sample of phosphoric acid, H,PO₁, is titrated with 42.50 mL of 0.250 M NaOH. What is…

A: Since you have asked multiple questions, we will solve the first one for you. Kindly repost the…

Q: A solution is prepared by dissolving 10.8 g of (NH4)3PO4 in enough water to make 100.0 mL of…

A:

Q: The correct indicator was added to 25.00 mL of a 0.1350 M solution of butanoic acid (CH;(CH2)¿COOH)…

A:

Q: Will calcium fluoride precipitate when 175 mL of a 4.78 x 10-3 M solution of Ca(NO3)2 is added to…

A:

Q: An aqueous sample of 25.0 mL H2SO4 is neutralized by the addition of 28.9 mL of 0.203 M KOH.  What…

A: The neutralisation reaction taking place will be 2 KOH + H2SO4 ------> K2SO4 + 2 H2O

Q: How much 9.00 M HCl (in mL) would be required to decompose the excess Mg present?

A: Step : 1           How much 9.00 M HCl (in mL) would be required to decompose the excess Mg present?

Q: If 48.1 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration or molarity (M) of a solution is defined as the number of moles of solute…

Q: A solution contains 0.0490 M Ca²+ and 0.0980 M Ag*. If solid Na3PO4 is added to this mixture, which…

A: GivenCa2+ = 0.0490 MAg+ = 0.0980 MKspCa3(PO4)2 = 2.07 * 10-33Ca3(PO4)2 → 3 Ca2+ + 2…

Q: The percent nitrogen (N) in a protein sample can be determined by reacting the protein with sulfuric…

A:

Q: sample of 0.720 g contains only NaHCO3 and Na2CO3. A student took 0.360 g of the sample and let it…

A:

Q: A 4.500-g sample containing sodium bicarbonate (NaHCO3, 84.01 g/mol) and other substances is…

A: We will use the balanced neutralization reaction to find out the moles of NaHCO3, that are getting…

Q: In the titration of 10.00 mL sample of vinegar solution with 0.550 M NAOH as titrant, the initial…

A:

Q: Suppose that 0.323 g of an unknown sulfate salt is dissolved in 50 mL of water. The solution is…

A: 1 mole Ba2+ ion react with 1 mole SO42- ion to form 1 mole BaSO4.Precipitation reaction is

Q: A 185.0 mL sample of 1.200 M Pb(NO₃)₂ is mixed with 99.50 mL of 1.500 M NaCl, and the PbCl₂…

A: The balanced chemical equation for the precipitation of lead (II) chloride can be written as:…

Q: If 33.4 g of CH3OH (MM = 32.04 g/mol) are dissolved in 500.0 mL of solution, what is the…

A: Given, amount of CH3OH =33.4 gMolar mass of CH3OH =32.04 g/molVolume of solution =500.0 mL =0.5 Lwe…

Q: In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00mL of acid in a…

A: The total volume of acid we have taken to finally reach the endpoint = 50 + 30 = 80 mL And the total…

Q: An impure sample of potassium hydrogen phthalate (KHP) was titrated to determine the percent…

A: We will use stoichiometry of the reaction to get the answer.

Q: Consider the reaction of a 20.0 mL of 0.220 M CSH»NHCI (Ka = 5.9 x 10-6) with 12.0 mL of 0.241 M…

A: A net ionic equation is written excluding the spectator ions from the corresponding total ionic…

Q: A solution contains 7.40x10 M sodium cyanide and 9.26x10-3 M sodium carbonate. Solid zinc nitrate is…

A:

Q: You are given solutions of HCl and NaOH and must deter-mine their concentrations. You use 27.5 mL of…

A: As we have given H2SO4 of known concentration so with the help of this we need to standardize the…

Q: If 48.8 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molarity is the ratio of number of moles to that of the volume of the solution.

Q: In a titration experiment, a student finds that 25.49 mL of an NaOH solution is needed to neutralize…

A: Stoichiometry, in balanced chemical reaction is defined by the ratio at which reactants are reacting…

Q: If 50.0 ml of 1.00 M MgCl2 is added to 50.0 ml of 1.00M NaOH, solid Mg(OH)2 forms according to the…

A: Given balanced equation:   MgCl2 (aq)   +  2 NaOH(aq)  -->   Mg(OH)2( s)   +  2 NaCl (aq)  We…

Q: A 50.0 ml solution contains only Na2SO4 (MW 142.04 g/mole).  If 40.0 ml of 0.25 M BaCl2 is needed to…

A: To calculate the number of reactants required for product formation, we must have a balanced…

Q: 125 mL of 0.125 M NaOH aqueous solution and 10.0 mL Choose... of 0.0500 M AGNO3 aqueous solution…

A:

Q: Atenolol (Tenormin ™M) HO IZ Ether Ketone Carboxylic acid Ester Alcohol "NH₂

A:

Q: I want to know the source of this question( The name of the book with the edition) QI/ The calcium…

A: The determination of the concentration of a substance/ion in a solution has great significance in…

Q: A 2.125 g sample of a solid mixture containing only potassium carbonate (MM = 138.2058 g/mol) and…

A: Given: The weight of the total mixture of potassium carbonate and potassium bicarbonate is 2.125g.…

Q: The solubility product, Ksp, of Sn(OH)4(s) is 1.0 x 10-57. What is its solubility (in g/L) in pure…

A:

Q: What is the molarity of the sodium sulfate in the solution resulting from the addition of 100. mL of…

A: It is one of the most widely used unit of concentration and is denoted by M. It is defined as no. of…

Q: If 30.4 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration = Number of moles of solute/Volume of solution (L) Number of moles of solute =…

Q: A solution contains 0.0500 M Ca²+ and 0.0960 M Ag*. If solid Na3PO4 is added to this mixture, which…

A:

Q: Consider the following neutralisation reaction between the acid AH and the base B(OH)2: 2AH +…

A: Given;

Q: For the reaction Ba(NO3)2+H2SO4 =BaSO4+2HNO3 how many grams of Ba(NO3)2 are required to…

A: The answer is givt below

Q: n the titration of 10.00 mL sample of vinegar solution with 0.35 M NaOH as titrant, the initial…

A: The question is based on the quantitative analysis. we have to calculate percentage acid present in…

Q: Does a precipitate form if you add 20.00 mL of a 6. 97x10-5 mol/L solution of lead (II) nitrate,…

A: Given,  Molarity of Pb(NO3)2 = 6.97 x 10-5 mole/L  Volume of Pb(NO3)2 in mL = 20.00 mL  Molarity of…

Q: A solution contains 0.0430 M Ca2+ and 0.0970 M Ag+. If solid Na3PO4 is added to this mixture, which…

A: The objective of this question is to determine which of the phosphate species would precipitate…

Q: T1 0.3217 g 16.86 mL T2 0.3508 g 17.55 mL T3 0.2895 g 14.62 mL MW of KHP = 204.3 g/mole %3D

A: Given data: Molar mass of KHP = 204.3 g/mol Formula used: Molarity=molesVolume (L)

Q: When aqueous solutions of AgNO3 and NaCl are mixed together, the precipitate that will form is…

A: