A 0.500 g of sample containing Na2CO3 and inert matter is analysed by adding a slight excess of 50.0 mL of 0.100 M HCl, boiling to remove CO2, and then back titrating the excess acid with 0.100 M NaOH. If 5.6 mL NaOH is required for the back titration, calculate the percent Na2CO3 in the sample

Q: A 24.0 mL sample of 0.113 MM sulfurous acid (H2SO3) is titrated with 0.1013 M KOH. At what added…

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Q: Why is a lower concentration of NaOH or HCl used for titration while a solution with higher…

A: Given information: NaOH or HCl

Q: Argentometric titrations typically involve determination of pAg from [Ag+] titrations. Outline a…

A: A titration in which Ag+ is the titrant is called an argentometric titration. The principle of…

Q: A 5.850-g sample containing KCl and KClO4 was dissolved in sufficient water to give 250.00 mL of…

A: Given , Reaction : 8V3+ (aq) + ClO4- (aq) + 12H2O (l)→Cl- (aq) + 8VO2+ (aq) + 8H3O+ (aq) Volume of…

Q: Question attached

A: The midpoint of titration is the point at which excess of titrant has been added to neutralize half…

Q: 0.0585g of Na2C2O4, 10 mL of distilled water, 2 M H2SO4 was added to adjust the KMnO4 solution…

A: Solution- A titration is a technique that uses a known concentration of a solution to calculate the…

Q: 4. Calculate the mass of sodium acetate that must be added to 1.50 L of a 0.456 M acetic acid (Ka =…

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Q: 0,0585g Na2C2O4 10 mL 'to adjust KMnO4 solution prepared as 0,1M distilled water, 2 M H2SO4 was…

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Q: Calculate the pH of a solution made with 0.300 M of HF (Ka = 6.8 × 10-4) and 0.200 M of NaF after…

A: Given: concentration of HF = 0.3 M Ka of HF = 6.8 ×10-4 comcentration of NaF = 0.2 M pka = - log ka…

Q: 3.00g of activated charcoal was added to 50 mL of acetic acid solution (0.4 mol/L) in a conical…

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Q: Weak acid HMa (0.150 M) has 65.00 mL is titrated with 0.15 M NaOH. The Kaminoan scientist adds…

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Q: Consider a buffer solution that contains 0.55 M NH2CH2CO2H and 0.35 M NH2CH2CO2Na.…

A: a. mol of acid = MV = 0.35*0.25 = 0.0875   mol of conjguate = MV = = 0.55*0.25 = 0.1375   after…

Q: A 0.448 g sample of propanoic acid (CH3CH2COOH, Ka = 1.3. x 10-5) was dissolved to a final volume of…

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Q: A 25.00-mL solution containing NaOH, Na2CO3, and NaHCO3 alone or in compatible combination was…

A: The Volume of water sample taken = 25 ml The molarity of HCl = 0.0998 M The volume of HCl for…

Q: A 1.984-g sample of impure oxalic acid required 39.26 mL of 0.0988 N base for titration; 1.24 mL of…

A: Weight of impure oxalic acid = 1.984 g Oxalic neutralized by a base and forms oxalate and water.…

Q: A 1.876 g of the sample containing H2C2O4 requires 38.84 mL of 0.1032 M of NaOH for titration:…

A: Answer: This question is based on acid-base titration where acid is the analyte and base is the…

Q: A 0. 238 g sample contained only NaCı and KBr. It was dissolved in water and required 48. 40 ml of…

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Q: Consider the titration of 25.0 mL 0.175 M CH3COOH (Ka 1.8 X 105) with 0.105 M aqueous NaOH. Write…

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Q: In an experiment on evaluation of antacid containing magnesium carbonate, a tablet weighing 2.50 g…

A: Given, mass of tablet = 2.50 g            molarity of HCl = 1.00 M            volume of HCl = 5.00…

Q: A sample may contain NaOH, NaHCO3 and Na2CO3, alone or in some combination along with inert…

A: End point: It is a point in volumetric titration at which a reaction reaches its completion & is…

Q: Calculate the equivalent weight of Na2CO3 when it is titrated against HCl in presence of…

A: The Answer to the following question is- a) reaction Na2CO3 + HCl ⇔NaHCO3 + NaCl  Molar mass of…

Q: How many grams of sodium acetate (82.03 g/mol) must be added to 1.00 L of 0.50 M solution of acetic…

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Q: 7. The formation constants for lead(II) oxalate are logKn=4.2; logKn=2.11. The Acid dissociation…

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Q: When 10 drops of  0.1 M Co2+ is acidified using 20 drops 6.0 M CH3COOH and a pinch of solid NaNO2 is…

A: Co2+(aq) is oxidized in acidic medium(H+) in presence of NaNO2(aq) to form the yellowish-orange…

Q: A 20.0 mL sample of 0.115 M sulfurous acid (H2SO3) solution is titrated with 0.1014 M KOH. At what…

A: Given,A 20.0 mL sample of 0.115 M sulfurous acid (H2SO3) solution is titrated with 0.1014 M KOH.

Q: A solution made with U.12 oles of a triprotic acid dissolved Dilowing AaS :Kal = 5.5e – 02; Ka2 =…

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

Q: 3) Consider the titration of 40.0 mL of 0.100 M maleic acid (HzM) with 0.200 M NaOH. Maleic acid is…

A: Given: Volume of maleic acid i.e. H2M = 40.0 mL = 0.040 L                              (Since 1 L =…

Q: For the complexometric titration of Ca (II) ions in the shell of the egg sample weighing 59.427 g,…

A: Molar ratio in which calcium ions bind EDTA is 1:1

Q: A 10.0 mL aliquot of H2 SO4 solution was diluted to 100.0 mL. Then 25.0 mL aliquot of the diluted H2…

A: Here we are required to find the molar concentration of original sulphuric acid

Q: Consider the titration of 50.00 mL of a mixture of NaI and NaBr with 0.0500 M silver nitrate. The…

A: Given data, Volume of mixture = 50mL  Molarity of AgNO3 = 0.050M Volume of first equivalence point =…

Q: 1- A sample weighing 1 g contains acetic acid (FW = 60 g/mol). The content of acetic acid in the…

A: Hello. There are multiple questions posted together. The first question has been solved. To receive…

Q: 0.0585g of Na2C2O4 10 mL of distilled water, 2 M H2SO4 were added to adjust the KMnO4 solution…

A: Given,          Weight of Na2C2O4 = 0.0585 g, volume of distilled water added = 10 ml…

Q: pH Titration Curve for titrating 64.0 mL of Nitric Acid with 0.700 mol/L Aqueous Potassium Hydroxide…

A: From the pH vs volume of titrant we can figure out pH and Molarity of nitric acid.

Q: The concentration of sulfate in a solution containing a mixture of sulfuric acid is to be…

A: Answer:- This question is answered by using the simple concept of titration by EDTA solution to…

Q: Argentometric titration of a 0.7908-g sample containing chloride ion required 45.32  mL of 0.1046 M…

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Q: A 100 mL sample contains Na2CO3 and NaOH. A 25 mL aliquot was taken and phenolphthalein was added as…

A: Phenolphthalein can only detect the neutralization of NaOH and Na2CO3 to NaHCO3.  The balanced…

Q: % C in a sample can be obtained using indirect titration. All carbon compounds are converted to CO2…

A: A multiple choice question based on acid-base titration that is to be accomplished.

Q: explain each of the following cases. a) when we treat 1 mol / liter of hydrochloric acid, the pH…

A: a) When we treat 1 M HCl with a base,at the beginning the pH increases but after certain time pH…

Q: Example / A 0.50 g sample containing Na,CO; plus inert matter in analyzed by adding 50.0mL of 0.1M…

A: ⊙ Mass of sample = 0.50 grams⊙ For HCl          · Concentration = 0.1 M  · Volume = 50.0 mL⊙ For…

Q: 2. A 0.5131-g sample containing KBr is dissolved in 50 mL of distilled water. Titrating with 0.04614…

A: GIVEN:-

Q: Calculate the pH at the equivalence point when (a) 40.0 mLof 0.025 M benzoic acid (C6H5COOH, Ka =…

A: The pH at the equivalence point is to be calculated. (a) 40.0 mL of 0.025 M benzoic acid (C6H5COOH,…

Q: ) A 100mL sample is taken to determine the alkalinity in a 1 liter water sample and titrated with…

A: Given :           Z = Molarity of HCl = 0.15 M          V = Volume of water titrated = 100 mL…

Q: 0.0585g of Na2C2O4 10 mL of distilled water, 2 M H2SO4 were added to adjust the KMnO4 solution…

A: A titration is a technique that uses a known concentration of a solution to calculate the…

Q: Calculate the equilibrium concentrations of all species when 10 mL of 0.90M Fe2+ is mixed with 10 mL…

A: First we have to find initial concentration all the species just after mixing. Total volume, Vt =…

Q: A titration is carried out for 25.0 mL of0.300M HA (Ka = 3.5 x 10-6) with 0.300M NAOH. Calculate the…

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Q: The concentration of sulfate in a solution containing a mixture of sulfuric acid is to be…

A: The question is based on the concept of quantitative estimation of sulphate ions in the solution. We…

Q: For the complexometric titration of Ca (II) ions in the shell of the egg sample weighing 59.427 g,…

A: At first we will determine the concentration of Ca2+ in the given 100mL solution. Then we'll extend…

Q: The buffer was made by combining 0.220 M lactic acid (HC3H5O3) and 0.200 M sodium lactate (…

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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