A 23.74-mL volume of 0.0981 M NaOH was used to titrate 25.0 mL of a weak monoprotic acid solution to the stoichiometric point. Determine the molar concentration of the weak acid solution.

Q: A stock solution is prepared by dissolving 4.137 g of (NH.)2SO4 in enough water to prepare 225.0 mL…

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Q: What mass of solid magnesium phosphate is formed when 250mL of 0.225 M magnesium hydroxide are mixed…

A: when 250mL of 0.225 M magnesium hydroxide are mixed with 150 mL of 0.150M phosphoric acid. To find…

Q: A 40.0 mL volume of 1.80 Fe(NO3)3 is mixed with 21.5 mL of 0.808 M Fe(NO3)3 solution. Calculate the…

A: Given, A 40.0 mL volume of 1.80 Fe(NO3)3 is mixed with 21.5 mL of 0.808 M Fe(NO3)3 solution, i.e.…

Q: A standard solution of FeCl3 was prepared and its molar concentration was determined to be 2.000 M.…

A: Initial moles of FeCl3 = 2.00M × 10.00mL = 20mmoles FeCl3 dissociates into Fe3+ and 3Cl- ions. Thus,…

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: You have been provided with a 35.7 mL sample of lithium hydroxide (LiOH) of unknown concentration.…

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Q: A 0.5123g sample (molar mass 204.23g/mol) of KHP was dissolved in about 25 mL of distilled water and…

A: Potassium hydrogen phthalate, KHP reacts with sodium hydroxide, NaOH as below.As per the…

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

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Q: A mass of 0.640 g of an unknown monoprotic acid, HA, was titrated with KOH. Given that the acid…

A: The molar mass of the monoprotic acid HA will be 151 g/mol (after rounding off).

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

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Q: Calculate the molar concentration of the solution formed when 69.68 g of MgSO4 * 6 H2O is dissolved…

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Q: The solubility product of a sparingly soluble salt, XF2, was determined by titration and found to be…

A: Given that: solubility product of XF2 = 2.9×10-10 M volume of  XF2 = 25.00 mL molarity of HCl =…

Q: A sample of solid calcium hydroxide, Ca(OH)2, is allowed to stand in water until a saturated…

A: A saturated solution of solid calcium hydroxide, Ca(OH)2, is made by dissolving in enough water. Now…

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: If you are writing an equation of a weak electrolyte dissolving in H20 would it still create cations…

A: An electrolyte will be a strong electrolyte if it is completely dissociated in the presence of…

Q: A student prepares a dilute solution of sodium hydroxide, NaOH(aq), starting with 6 M so- dium…

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

Q: In a titration reaction 20.00mL of 0.500M KOH reacts completely with 12.55 mL of sulfuric acid, what…

A: Molecular reaction between KOH and H2SO4 . 2KOH(aq)+H2SO4(aq)→K2SO4(aq)+2H2O (l) From this reaction…

Q: 2. Suppose a titration needed 27.15 mL of 0.2497M HCI solution to completely react 25.00mL Ba(OH)2…

A: The number of moles of a substance is determined as the mass of a substance upon its molar mass. The…

Q: For a tablet containing 1000 mg of vitamin C, calculate the minimum concentration of the NaOH…

A: Given that :  Mass of vitamin C = 1000mg = 1000mg×1g/1000mg = 1.00g Volume of NaOH used to…

Q: An impure sample of barium hydroxide of mass 1.6524g was allowed to react with 100mL of 0.200M…

A: Molar mass of Ba(OH)2= 171.34 g/mol Mass of impure sample of Ba(OH)2=1.6524g Volume of HCl=100ml…

Q: The solubility product of a sparingly soluble salt, XF2, was determined by titration and found to be…

A: This means effective concentration of constituent ions in solution. Hence from it we can calculate…

Q: 1. 50.05 mL of 0.4530 M KOH solution to completely to titrate 125.00 mL of sulfuric acid solution…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…

Q: What mass of Na2 CrO4 is required to precipitate all of the silver ions from 55.0 mL of a 0.100 M…

A: Given: molarity of AgNO3 solution = 0.100 M  volume of AgNO3 solution = 55.0 mL  To calculate :…

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

A: IMPORTANT POINTS: Potassium sorbate is formed from a weak acid and strong base , so it is a basic…

Q: In an acid-base titration, the neutralization of 25.00 mL of a solution of NaOH (sodium hydroxide)…

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

A: No.of milli moles of NaOH added = (10.46 mL) x (0.1792 M) = 1.874 m.mol Required reaction : H2SO4 +…

Q: A certain solution of KMnO4 is being prepared to treat water and has a concentration of 14.50%…

A: Given: The solution of KMnO4 = 14.50 %(m/V).........(1).

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

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

A: Dilution :-  If a solution of molarity M1 and volume V1 is diluted by adding water to a solution of…

Q: van Donder, a technician at Mahlakaneng laboratory, is required to remove chromium from chromium…

A: The question is based on the concept of chemical equilibrium. we have to calculate concentration of…

Q: In a titration, a 9.9 ml solution of 0.25N HCI is neutralized with 53.7 ml of NAOH. What is the…

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Q: 3 During the titration, after a volume of 15 mL of 0.100 M KOH(aq) has been added, which species,…

A: HNO2 (aq) + OH- (aq) →NO2- (aq) + H2O Concentration of KOH = 0.100 M Volume of HNO2 = 1.00 mL…

Q: The data ( Concentration HCl =0.35 M, Volume HCl=24.35 mL, Volume NaOH=36.44 mL) refers to a…

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Q: A student prepares a dilute solution of sodium hydroxide, NaOH(aq), starting with 6 M so- dium…

A: We have to calculate molar concentration of the sodium hydroxide solution i.e NaOH. Given :…

Q: The data ( Concentration HCl =0.35 M, Volume HCl=24.35 mL, Volume NaOH=36.44 mL) refers to a…

A: Given Concentration HCl =0.35 M Volume HCl=24.35 mL Volume NaOH=36.44 mL

Q: A solution of tartaric acid(H₂C₄H₄O₆)with known concentration of 0.155 M H₂C₄H₄O₆ is titrated with a…

A: The balanced reaction taking place is given as, => H2C4H4O6 + 2 NaOH → Na2C4H4O6 + 2 H2O Given:…

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: 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: In a titration of KOH, 0.0725 g of KHP is weighed into a flask and dissolved in deionized water. The…

A: Molar mass of KHP is 204.22 g/mol. Calculation of no. of mol of KHP: Since KHP is a monoprotic…

Q: A 25.0mL acetic acid sample was titrated using exactly 69.72 mL of a 0.30M sodium hydroxide solution…

A: Given reaction is- CH3COOH(aq) + NaOH(aq) → CH3COONa(aq) + H2O(l) i.e- 1 mole of  CH3COOH reacts…

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

A:

Q: The data ( Concentration HCl =0.35 M, Volume HCl=24.35 mL, Volume NaOH=36.44 mL) refers to a…

A: Concentration HCl =0.35 M = 0.35 mol/L Volume of HCl =  24.35 mL = 0.02435 L Volume NaOH = 36.44 mL…

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

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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: Molarity of KMNO4 solution (M) from bottle Final reading of buret (KMNO4) (mL) Initial reading of…

A: We have to find the moles of KMnO4

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

A: Given, The molarity of NaOH solution is---0.1585M. The volume of NaOH required for the titration…