An analytical chemist weighs out 0.206 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.1200 M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 19.9 mL of NaOH solution. Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits. g mol

Q: A chemist student weighs out 0.0579 g of hypochlorous acid (HClO) into a 250. mL volumetric flask…

A:

Q: A chemistry student weighs out 0.155 g of lactic acid (HC,H,O3) into a 250. mL volumetric flask and…

A: Lactic Acid is:- HC3H5O3 The molar mass of lactic acid is :- 90.08g/mol Weight of Lactic acid used =…

Q: A student titrates an unknown amount of potassium hydrogen phthalate with 26.86 mL of 0.1000 M NaOH.…

A: Since the potassium hydrogen phthalate is a monoprotic acid. hence it will have only 1 mole of…

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

A: We have to calculate the molar mass of the unknown acid.

Q: In an acid-base titration, the neutralization of 20.00 mL of a solution of KOH (potassium hydroxide)…

A:

Q: mg of OXallo acid (H,C,04), a diprotic acid that can be purchased inexpensively in high purity, and…

A:

Q: A 50.0 mL sample of potassium hydroxide is transferred to an Erlenmeyer flask and then titrated with…

A:

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

A: A numerical problem based on quantitative analysis, which is to be accomplished.

Q: The solubility product constant for a certain metal sulfate, MSO4 is Ksp = 2.1 × 10−7. Its molar…

A: The question is based on the concept of solubility product principle.  It that states that when a…

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: 0.261 g of potassium hydrogen phthalate (KHP) was titrated with NaOH. When 16.8 mL of the NaOH had…

A: The molarity of a substance is defined as the number of moles of solute present per liter of…

Q: A chemistry student weighs out 0.162 g of lactic acid (HC,H,o,) into a 250. mL volumetric flask and…

A: Answer :- 20.0 (mL) The volume of NaOH solution needed to reach equivalence point = 20.0 mL…

Q: An analytical chemist weighs out 0.130 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: Before performing a titration of vinegar itself, you first had to standardize the solution used to…

A: As most base solutions are secondary standardized, so we need to standardise base solutions with a…

Q: During the course of a titration experiment, you notice that no matter how much base you add to the…

A: The objective is to analyze the error in acid-base titration and find the suitable corrective…

Q: A student titrates a 15.00 mL sample of unknown sodium hydroxide using a standardized 0.12807 M…

A: Volume of NaOH (V1) = 15.00 mL Concentration of HCl (M2) = 0.12807 M Initial volume of HCl = 1.26 mL…

Q: es this solution with 0.0600 M NaOH solution. When the titration reaches the equivalence point, the…

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

Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

A: Initial volume reading of the burette = 2.31 mL Final volume reading of the burette = 22.53 mL…

Q: An analytical chemist weighs out 0.123 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: In order to determine the unknown concentration of a solution of barium hydroxide, a student…

A: The titration reaction taking place can be written as  => HCl + Ba(OH)2 -------> BaCl2 + H2O…

Q: .To find the concentration of an acid solution, pure sodium carbonate can be used as a standard. In…

A: Given: Mass of sodium carbonate i.e. Na2CO3 used = 2.15 g. And the volume of HCl solution used =…

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: For your second titration, you put 0.457 g of KHP in your flask. Pretend that the concentration of…

A:

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

A: Given, Mass of an unknown acid = 0.112 grams.    Volume of flask = 250 mL. Molarity of NaOH = 0.0700…

Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: A chemistry student weighs out 0.0896 g of sulfurous acid (H,SO,, a diprotic acid, into a 250. mL…

A:

Q: A chemistry student weighs out 0.116 g of hypobromous acid (HBrO) into a 250. mL volumetric flask…

A: Given  Mass of HBrO =  0.116 gram  Volume  =  250 mL  Molarity of NaOH  = 0.1600 M  Volume of NaOH…

Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

A: This question is based on simple mathematics.

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

A: Here we are required to find the Molarity of sodium hydroxide solution required for standardization…

Q: weighs out 0.122 grams of hypobromous acid (HBrO) into a 241 volumetric flask and dilutes it in…

A:

Q: t is time for the titration.  You measure 15.0 mL of the H2C2O4 solution with a 100-mL graduated…

A: The titration is carried out between oxalic acid solution and sodaium hydroxide solution. The…

Q: A titration of 38.0 mL of a sulfuric acid (H₂SO₄) solution of unknown concentration with a…

A: Given: Volume of H2SO4 (V1) = 38.0 mL Concentration of Ba(OH)2 (M2) = 1.55 M Volume of Ba(OH)2 (V2)…

Q: An analytical chemist weighs out 0.032g of an unknown triprotic acid into a 250mL volumetric flask…

A: According to the question we have, The mass of unknown triprotic acid is given by = 0.032 g. The…

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

A: The given data is as follows: The mass of oxalic acid = 204 mg = 0.204 g The volume of water = 250…

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 chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Given :-  Molarity of NaOH = 0.1795 M = 0.1795 mol/L  Volume of NaOH = 16.73 mL = 0.01673 L  Volume…

Q: color.  What is the concentration of the NaOH solution? The molar mass

A: At equivalent point,  Geq. of NaOH  = Geq. of KHP N1V1 = N2V2 M × 16.8 /1000 = 0.261/204 M = 0.076M

Q: - Determining the volume of base needed to titrate a given mass... A chemistry student weighs out…

A:

Q: For their first trial, a student pipettes 5.00 mL of a vinegar solution into an Erlenmeyer flask.…

A:

Q: An analytical chemist weighs out 0.138 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: What volume, in mL, of 0.1126 M sodium hydroxide (NaOH) is required to titrate 15.00 mL of 0.1012 M…

A: Neutralization reaction is chemical reaction in which acid and base react together to form salt and…

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