H₂SO4 + Ba(OH)2 → BaSO4 + 2H₂O The titration reaches the equivalence point when 52.5 mL of the 1.0 x 10-4 M H2SO4 reacts with 500.0 mL of the saturated Ba(OH)2. How many moles of Ba2+ ion were present in the initial solution? [?] x 101 moles Ba²+

Q: Suppose you are titrating a solid mixture containing KHP (molar mass=204.2 g/mol) and a salt…

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Q: What mass of KOH in grams is required to precipitate all the Fe2+ ions from 15.0 mL of a 0.150 M…

A: The Fe(NO3)2 solution contains Fe2+ and 2NO3- ions. The moles of Fe(NO3)2 are calculated as shown…

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

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Q: Consider the reaction: CaCl2(aq) + 2A9NO3(aq) → Ca(NO3)2(aq) + 2A9CI(s) How many grams of CaCl,…

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

A: Answer  In the titration reaction of oxalic acid and sodium…

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: A student titrated 30.5 mL of a 3.50 grams per liter monoprotic acid with 15.0 mL of 0.10 M NaOH…

A: From the details in the question, it can be inferred that the reaction molar ratio is 1:1. Since it…

Q: The molarity of an aqueous solution of hydrochloric acid, HCl, is determined by titration with a…

A: The neutralisation reaction is given as  2 HCl + Ba(OH)2 ------> BaCl2 + 2 H2O  Hence from the…

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: 8. By titration, a sample of 25 mL Sr(OH)2 was analyzed with a standard of 0.10 M HCl. If 25 mL of…

A: At equivalence point, V1S1 = V2S2 Where V1 and V2 are initial and final volume respectfully  Whereas…

Q: A student weighs out 0.477 g of KHP (molar mass = 204.22 g/mol) and titrates to the equivalence…

A: Molarity is a concentration term that is defined as the number of moles of solute dissolved in one…

Q: The flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains…

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

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Q: Consider the neutralization reaction 2HNO3(aq)+Ba(OH)2(aq)->2H2O(l)+Ba(NO3)2(aq) A 0.120 L sample…

A: It is given that 0.120 L HNO3 solution requires 36.5 mL of 0.200 M Ba(OH)2 for neutralisation, and…

Q: 100.0 mL of an aqueous solution containing 0.250 M KOH(aq) is mixed with 100.0 mL of an aqueous…

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Q: An amount H2SO4 (diprotic acid) was dissolved in enough water to make a 25.00 mL solution. Titration…

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Q: When 3.5 g of CaF2 (an insoluble salt, Ksp = 3.9 X 10-11) is added to water to make 200. mL of…

A: mole  = mass  /  molecular weight molecular weight of CaF2 = 78.07 g/mole concentration = mole  *…

Q: You dissolve a 0.553 g sample of an unknown monoprotic weak acid in water to a total volume of 20.0…

A: At equivalence point models of acid are equal to moles of base . So first we would calculate models…

Q: What mass of solid potassium oxalate (K2C2O4), when dissolved in an acidic solution, would be…

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Q: What mass of NaOH is needed to precipitate the Cd2+ ions from 33.0 mL of 0.460 M Cd(NO3)2 solution?

A: Volume of solution = 33mLMolarity of solution = 0.460 MMass of NaOH to precipitate Cd = ?

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: A 50.0 mL solution of Ca(OH)2 with an unknown concentration was titrated with 0.340 M HNO3. To reach…

A: Given : Concentration of HNO3 = 0.340 M Volume of HNO3 solution used = 15.3 mL = 0.0153 L…

Q: Consider this reaction: 2NaCl(aq) + Ag₂SO (aq) Na SO (aq) + 2AgCl(s) 4 A student is titrating a…

A: Molarity of sodium chloride solution = 0.500 M  Volume of sodium chloride solution = 25.0 mL = 25.0…

Q: How many grams of PbBr2 will precipitate when excess NH4B solution is added to 54.0 mL of 0.566 M…

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Q: Write the molecular equation for HBRO(aq) + Ca(OH), (aq) → 2HBRO

A: Chemical reactions are those reactions which undergo any chemical change. Chemical reaction is…

Q: Consider the reaction: CaCl₂(aq) + 2AgNO₃(aq) → Ca(NO₃)₂(aq) + 2AgCl(s) How many grams of CaCl₂…

A: Given reaction  CaCl₂(aq) + 2AgNO₃(aq) → Ca(NO₃)₂(aq) + 2AgCl(s)  We have to precipitate Ag+ of…

Q: Consider the net ionic equation: Cr2O72- + 6Fe2+ + 14H+ = 2Cr3+ + 6Fe3+ + 7H2O. If it takes 26.0 mL…

A: The number of moles is defined as the mass-to-molar mass ratio of a substance. It is represented by…

Q: What is the molarity of the sodium sulfate in the solution resulting from the addition of 100. mL of…

A: It is one of the most widely used unit of concentration and is denoted by M. It is defined as no. of…

Q: that contains 0.015 M Ni2+ ions and 0.015 M Ca2+ ions. You slowly add Na2CO3 to the solution. What…

A: Solubility equilibrium is a type of dynamic equilibrium that exists when a chemical compound in the…

Q: Phosphoric acid, H3PO4, in a solution was neutralized by titration with a barium hydroxide,  Ba(OH)2…

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Q: Consider the reaction: CaCl₂(aq) + 2AgNO₃(aq) → Ca(NO₃)₂(aq) + 2AgCl(s) How many grams of CaCl₂…

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Q: The concentration of SO42– ions in a 45.0 mL sample of seawater is determined by adding a solution…

A: Given information: Mass of barium sulfate = 0.315 g Volume of sample = 45.0 mL or 0.045 L

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

A: we have to calculate molarity of NaOH solution

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: A sample of solid Ca(OH)2 was stirred in water at a certain temperature until the solution contained…

A: Given, Volume of Ca(OH)2, V1  =450 mL=450×10-3L=0.450 L Molarity of Ca(OH)2  M1= to find Valency…

Q: A titration of a 0.7879g sample potassium hydrogen phthalate, KHP (GFW= 204.23g/mole), required…

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Q: If 25.0 mL of 0.120 M Na3PO4 and 30.0 mL of 0.110 M CaCl2 are mixed, what precipitate forms?  Write…

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Q: 20.00-mL portion of the diluted acid is titrated with 0.2025 MNaOH solution. If 42.00 mL of the NaOH…

A: Such kinds of problems are solved by considering the mole concept. The mole concept relates the…

Q: Consider the reaction: Ag* (aq) + Cl(aq) → AgCl(s) How many grams of NaCl would be needed to…

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Q: 200.0 mL of 3.96 M hydrochloric acid is added to 100.0 mL of 4.60 M barium hydroxide. After the…

A: Molar concentration of hydrochloric acid = 3.96 M Volume of hydrochloric acid = 200 ml = 0.2 L Molar…

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: Constant-boiling HCI can be used as a primary standard for acid-base titrations. A 50.00 mL sample…

A: Given , Volume of HCI = 50.00 mL Concentration of HCI = 0.1020 M Volume of Ba(OH)2 = 40.29 mL

Q: We now know the moles of hydroxide used in the titration. But, remember that, of the 100 mL of…

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

Q: 0.3456 g of a solid acid is dissolved in 50 mL of water in a flask  and a few drops of…

A: According to law of equivalence, an acid exactly neutralises the same number of equivalents of a…

Q: A 30.00-mL volume of aqueous sulfuric acid, H2SO4, is titrated using 0.200 M NaOH and an indicator…

A: It is an acid-base titration reaction where H2SO4 reacts with NaOH completely. The balanced chemical…

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