A tablet contains 0.5 g of magnesium hydroxide as the only basic ingredient . The tablet is analysed by dissolving it and titrating with a standard hydrochloric acid solution .The hydrochloric acid solution used in this titration is made by diluting 200 ml of 2M standardised solution to 500 ml 1.Calculate the volume of the HCl solution required to neutralize two of these indigestion tablets dissolved in water to make 35ml solution and calculate the concentration of Cl- in the final solution in mol.dm-3

Q: Standardized NaOH (M) 0.4102 Initial volume of buret (mL) 0.90 Volume of vinegar (mL) 10.00…

A: The balanced equation for the reaction between acetic acid and NaOH is  CH3COOH + NaOH…

Q: The protein content of wheat flour can be determined reasonably accurately by multiplying the…

A: Kjeldahl method is used for protein's quantitative analysis.

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

A: It is acid-base titration. We knew that sodium hydroxide is not the primary standard solution. So we…

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

A: The values are given as follows:

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

A:

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

A: Considered that 250 mL of oxalic acid solution is neutralized by the 46.1 mL of sodium hydroxide…

Q: Potassium sorbate,KC H,O, (molar mass 150. g/mol) is commonly added to diet soft drinks as a…

A: Solution: Dissociation expression is a dissociation constant ( equilibrium constant). For acid…

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: 1) Potassium permanganate solutions used in oxidation-reduction titrations are often standardized…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The amount of ascorbic acid (vitamin C; C6H8O6) in tablets is determined by reaction with bromine…

A: A titration is known as titrimetry and volumetric analysis. A titration is a process in which a…

Q: Consider the diagrams given in the figure below to answer the following questions. Beaker A Beaker B…

A:

Q: A titration analysis of a 345.0 mL aqueous HBr solution was performed and the endpoint was reached…

A: Molarity of KOH=2.815 M Volume of KOH=191.05 mL =191.05/1000 =0.19105 L  [1 L = 1000 mL] Volume of…

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

A:

Q: What is the mass of sodium oxalate (Na2C2O4, MM = 134,00 g/mol), in mg, should be taken so that in…

A:

Q: which of the following substances is commonly used to reduce soil acidity? Ammonium sulphate Sodium…

A: a) For reducing the acidity of the soil, we need a basic substance. Of the given options, only…

Q: The active ingredient in a certain toilet cleaner that claims to ‘remove lime scale and rust’ is…

A: Given data,Initial concentration of toilet cleaner (HCl)=1.12 mol/LVolume of toilet cleaner…

Q: A student is asked to perform a neutralization reaction between hydrochloric acid, HCl and sodium…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 19- A sample of limestone is titrated for its value as a neutralizing agent. A sample weighing 1.000…

A: Limestone is CaCO3 Moles of CaCO3 = 1 / 100 = 0.01

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: sample of solid calcium hydroxide is allowed to stand in water until a saturated solution is fomed.…

A:

Q: The titration of 25.0 mL of an iron(II) solution required 18.0 mL of a 0.115 M solution of…

A: Net ionic equation for the reaction between iron(II) and dichromate is shown below. Number of moles…

Q: The active ingredient in a certain toilet cleaner that claims to ‘remove lime scale and rust’ is…

A:

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

A:

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: A 25.00 mL sample of acetic acid (CH3COOH) is titrated to the equivalence using 31.08 mL of 0.1978 M…

A:

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

A: The reaction of oxalic acid and NaOH – H2C2O4 +2NaOH →Na2C2O4 + 2H2O

Q: An approximately 0.1 M NaOH solution is made by adding 4.0 g of solid NaOH to 1000 mL. of water. The…

A: Titration is a common laboratory method of quantitative analysis to determine the concentration of…

Q: A 5.0mL sample of a stock solution of concentrated HNO3, a strong acid, is diluted with distilled…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: solution. i. Determine the volume, in mL, of 4.00 M stock solution the student needs to prepare 250.…

A: The question is based on the concept of titrations.   we are titrating  a weak  acid with a strong…

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

A:

Q: 2MnO4- (aq) + 5H2C2O4(aq) + 6H+(aq) → 2Mn+2(aq) + 10CO2(g) + 8H2O(l) In a titration experiment, a…

A: The titration of potassium permanganate with oxalic acid is a redox reaction. In this titration the…

Q: 1. This is the mass of the substance that is chemically equivalent to a cubic centimeter (cc) of the…

A: Interpretation: To write one word for the following given statements.

Q: KHP (potassium hydrogen phthalate, KHC8H4O4

A: Molarity = Moles of solute/ volume of solution (in L) Moles = Mass in gm/molar mass

Q: During a titration, the following data were collected. A 25 mL portion of a solution of an unknown…

A: Given 25 mL of unknown monoprotic acid and 65 mL of 1.0 M NaOH used in the neutralization reaction.…

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

A:

Q: In a lab, you diluted a sample of bleach to 1/10 concentration in a 250 volumetric flask. Then…

A: Molarity of sodium thiosulfate, Na2S2O3 used = 0.1215 M Bleach has NaClO or HClO that reacts with…

Q: To increase the acidity of soil, you can add peat, which contains a complex acid mixture known as…

A: The titration for acid-base mainly works in analyzing the unknown potential of an alkali/acid. This…

Q: A sample of impure salicylic acid , C.H. ( OH ) COOH ( one titratable proton ) , is analyzed by…

A:

Q: Calculating Molarity from Titration Data Titration reveals that 11.6 mL of 3.0 M sulfuric acid are…

A: Balanced neutralization reactionH2SO4 +2NaOH   → Na2SO4 +2H2Oi.e For neutralizationNumber of moles…

Q: Many chemical compounds contain impurities. Crude potassium carbonate (K2CO3) obtained from the…

A:

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

A: Mass of oxalic acid = 86 mg = 86×10-3 g Molar mass of oxalic acid = 90.034 g/mol Volume of oxalic…

Q: The active ingredient in a certain toilet cleaner that claims to 'remove lime scale and rust' is…

A:

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

A: Molarity of a solution =Number of moles of soluteVolume of solution in LNaOH + H2C2O4 →Na2C2O4 + 2…

Q: If you require 30.51 mL of .1090 M NaOH solution to titrate 10.0 mL of HC2H3O2 solution, what is the…

A: Chemical reaction between NaOH and acetic acid:                      NaOH + HC2H3O2  →  C2H3O2Na +…

Q: 1.372 g sample of KHP with the dilute sodium hydroxide solution, NaOH (aq), to a phenolphthalein end…

A: Given :-a>  Concentration of NaoH  = 6 m        Mass of KHP                    = 1.372 g…

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

A: The reaction between sulfuric acid and sodium hydroxide is as follows. H2SO4+2NaOH→Na2SO4+2H2O That…

Q: The tartaric acid, H2C4H4O6 (150.087 g/mol ) concentration in 100.0 mL wine sample was determined…

A: We have to calculate the %W/W acid content.

Q: The conversion of nitrogen to ammonia, an essential process in the nitrogen cycle, occurs only in…

A: Given, the reaction involved in the titration: The volume of the Mo3+ sample = 30 mL The volume of…

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

A:

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