A solution of malonic acid, H2C3H2O4 , was standardized by titration with 0.1000 M NaOH solution. If   20.38 mL of the NaOH solution were required to neutralize completely  12.35 mL  of the malonic acid solution, what is the molarity of the malonic acid solution? H2C3H2O4+2NaOH→Na2C3H2O4+2H2O

Q: Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of…

A: We calculate normality of acid and base then use this formula N1V1 = N2V2

Q: A chemist weighs out 0.138 grams of an unknown diprotic acid into a 222 volumetric flask and makes a…

A: Answer:- This question is answered by using the simple concept of calculation of molar of the…

Q: A 25.00 mL volume of 1.637 M sulfuric acid is titrated with potassium hydroxide. At the equivalence…

A: Molarity = Moles of solute/Volume of Solution(in L) Moles of Solute = Molarity x Volume of…

Q: An aqueous solution of barium hydroxide is standardized by titration with a 0.158 M solution of…

A:

Q: A titration flask contains 0.00405 moles of an acetic acid sample   a. Determine the moles of the…

A: The given number of moles of acetic acid is 0.00405 mol. The molarity of NaOH is 0.200 M. The…

Q: 0.644 g of wood bleach, which contains oxalic acid, H2C2O4, was placed in an Erlenmeyer flask.  The…

A: The molar mass is the sum of the mass of each element. The molar mass of hydrogen, carbon, and…

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: You are preparing standard acid and base solutions for the laboratory, using potassium hydrogen…

A: Here we are using KHP (1.55 g) to standardize NaOH solution.  After standardization of NaOH…

Q: n analytical chemist weighs out 0.105 g of an unknown monoprotic acid into a 250 mL volumetric flask…

A: At equivalence point mole of standard solution is equal to the mole of unknown solution.

Q: A solution contains 0.0140 M Pb2+(aq) and 0.0140 M Sr2+(aq). If you add SO2−4(aq), what will be the…

A: Ion that has lower value KSP , will precipitate first as its ionic product will overcome the KSP…

Q: A student titrates a weak acid with 0.100 M NaOH, adding 31.65 mL before a dark pink color is seen.…

A: The mole of H+ ion the weak acid is equal to the mole of NaOH used in the titration.  The molarity…

Q: In a titration, suppose 20.00 mL of 0.275 M oxalic acid solution required 21.72 mL of NaOH solution…

A: H2C2O4(aq) + 2NaOH(aq) -------> Na2C2O4(aq) +2H2O(l)

Q: A 0.0892 M solution of sodium hydroxide was used during a titration to determine the concentration…

A: Given, Molarity of NaOH , M1 = 0.0892 M Volume of NaOH , V1  = 22.50 mL  Volume of HNO3 , V2 = 15.00…

Q: 3. A solution of acetic acid, HC₂H₂O₂, a monoprotic acid, was standardized by titration with 0.1090…

A:

Q: 9. You have 0.6395 g of an unknown monoprotic acid, HA, which reacts with NaOH according to the…

A: Given balanced equation: HA + NaOH → NaA + H2O The mass of the unknown monoprotic acid, HA = 0.6395…

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: 2HCl(aq) + CO3(aq) What kind of reaction is this? H₂CO3(aq) + 2Cl(aq) If you said this was a…

A: Balanced reaction given as 2HCl(aq) + CO32- (aq) → H2CO3 (aq) + 2 Cl- (aq) If an acid reacts with a…

Q: The molarity of an aqueous solution of sodium hydroxide, NaOH, is determined by titration against a…

A:

Q: What was the molarity of the KOH solution

A: Molarity = number of moles/volume of solution (in L)   Number of moles = molarity x volume

Q: Consider the titration of 100.0 mL of an unknown concentration of weak monoprotic acid with 0.550 M…

A: The volume of unknown weak monoprotic acid, V1 = 100.0 mLThe concentration of weak monoprotic acid,…

Q: A student determines the concentration of a NaOH solution by titration.   To do so, she titrates…

A: Given: The volume of CH3COOH = 20.00 mL The concentration of CH3COOH = 0.868 M The volume of NaOH…

Q: Malonic acid, H2C3H2O4 (aq), is a diprotic acid, so 2 moles of hydroxide ions are required per mole…

A: A neutralization reaction can be described as a chemical reaction in which acid and base react…

Q: What is the ammonium ion concentration in a solution prepared by mixing 70. mL of 0.40 M ammonia and…

A: Ammonia react with acetic acid to give ammonium ion and acetate ion. The reaction between ammonia…

Q: 4. 25.00 mL a phosphoric acid solution is titrated with 0.250 M Sr(OH)2 solution. If it takes 32.00…

A:

Q: A titration of 25.00 mL sample of a hydrochloric acid solution of unknown molarity reaches the…

A: Acid reacts with base to form salt and water. This reaction is known as neutralization reaction.

Q: A student titrates a weak acid with 0.100 M NaOH, adding 34.84 mL before a dark pink color is seen.…

A: Calculation of no. of mol of NaOH: No. of mol=Molarity×Volume=0.100 mol/L×34.84×10-3 L=3.484 ×10-3…

Q: 11 If 85.00 ml of Sulfuric acid is mixed with 32.5 ml of 1.35 M Rubidium hydroxide, will the final…

A: The solution is acidic, basic, or neutral can be decided by the equivalents of acid and base…

Q: unknown acid, which can be either oxalic acid, H2C2O4, or citric acid, H3C6H5O7. To determine which…

A: I m not getting why you have written moles of NaOH and oxalic acid after that .We have to find it…

Q: A 0.6136 g sample of a monoprotic acid was dissolved in 20 mL of water. The acid solution was…

A: Answer:- This question is answered by using the simple concept of chemical reactions of acids and…

Q: A chemistry student weighs out 0.0310 g of phosphoric acid (H, PO,), a triprotic acid, into a 250.…

A: Given values-> Weight of H3PO4 = 0.0310 gm Volume of H3PO4 = 250 ml Molarity of NaOH= 0.1900 M

Q: in a titration to determine the concentration of hydronium ions in a test solution, the test…

A: Given: In a titration to determine the concentration of hydronium ions in a test solution: The test…

Q: A sample weighing 1.731g contains a mixture of the triprotic citric acid, H3C6H5O7 and sodium…

A: Given, Mass of the mixture = 1.731 g Molarity of sodium hydroxide, NaOH = 0.3550 M = 0.3550 mol/L…

Q: A 0.5504-g sample of KHP (potassium hydrogen phthalate, KHC8H4O4; molar mass = 204.22 g/mol) is…

A:

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

A: Let the diprotic acid be H2A. The reaction between the diprotic acid and NaOH is shown as: H2A +…

Q: By titration it is found that 35.7 mL of 0.101 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: The concentration of the HCl solution after neutralisation with sodium hydroxide is determined as,

Q: Suppose that you are performing a titration of a hydrochloric acid solution of unknown concentration…

A: Molarity of Ca(OH)2 = 0.063MVolume of Ca(OH)2 = 37.05 mL = 37.05 mL x 10-3 L/mL = 0.03705 LVolume of…

Q: 4. A student did not read the directions to the experiment properly and mixed up where to put the…

A: Acid base titration can be performed based on the strength of acid or base.

Q: An analytical chemist weighs out 0.050 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: In an acid-base neutralization reaction, normality will be compared as the base is monobasic and the…

Q: An analytical chemist weighs out 0.185 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given:- analytical chemist weighs = 0.185 g Molarity = 0.2000M V = 9.5 mL Calculate molar mass of…

Q: You are preparing standard acid and base solutions for the laboratory, using potassium hydrogen…

A: When solutions are prepared for particular for titrations, it order to confirm the concentration of…

Q: 25. A 25 mL sample of Ca(OH)2 was analyzed with a 0.10 M HCl standard. If 30 mL of the acid standard…

A: Given that:  Molarity of acid(M1) = 0.10M  Volume of acid (V1) = 30 ml  Valume of sample with…

Q: The molarity of an aqueous solution of nitric acid, HNO3, is determined by titration with a 9.07 ×…

A: Potassium hydroxide (KOH) reacts with nitric acid (HNO3). This is called neutralization reaction.…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for