A 0.4263 g solid sample containing NaCl and KBr only was dissolved in 50 mL of water and titrated to the Ag2CrO4 end point, requiring 36.85 mL of 0.1120 M AgNO3. A blank titration requires 0.71 mL of titrant to reach the same endpoint. Calculate the weight percentage of Cl in the solid sample.

Q: A student weighs out 0.9854 g of Na2CO3 unknown and dissolves it in 25.00 mL of deionized water. A…

A: Answer % of Na2CO3 in the unknown = 54.05% Formulas No.of moles                           = Given…

Q: Determine the pH change when 0.071 mol NaOH is added to 1.00 L of a buffer solution that is 0.351 M…

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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: Calculate the pH for each of the cases in the titration of 25.0 mL of 0.240 M pyridine, C,H,N(aq)…

A: pH of acid base titration can be calculated using respective formulas based on the point of…

Q: termine the mass (in grams) of sodium formate that must be added to 1.00 L of 80 M formic acid to…

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Q: 11. A 0.485 g sample containing chloride was titrated with 36.8 mL of 0.1060 M AgNO3 stock solution.…

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Q: a 25 mL sample of hydrofluoric acid ka=6.8x10^-4, was titrated with 0.625M KOH. The equivalence…

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Q: 4. A 0.584gram sample of a fertilizer was analyzed for its N content by the kjeldahl method, the…

A: analysis of % N and Urea, H2NCONH2

Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M H2NNH, with 0.100M HNO3 after…

A: The pH and concentration of conjugate base and acid are related by the following formula:…

Q: A 1.000g sample of unknown Fe+2 content is titrated with potassium permanganate.  The final color…

A: Given the mas of the sample containing Fe2+(aq) = 1.000 g  Potassium permanganate, KMnO4(aq)…

Q: The p?apKa of hypochlorous acid is 7.5307.530. A 54.054.0 mL solution of 0.1190.119 M sodium…

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Q: Calculate the pH for each of the cases in the titration of 25.0 mL of 0.170 M pyridine, C,H,N(aq)…

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

Q: A buffer is made up of 15.0 ml of 0.1 M HC,H,02 and 15.0 ml of 0.1 MNa CH,O, The solution is diluted…

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Q: 100.0 mL of the 1.0 M weak base solution is titrated with 2.0 M HCI. What volume of acid is required…

A: Given,  Volume of the weak base = 100 mL  Molarity of the weak base = 1.0 M  Molarity of HCl = 2.0 M…

Q: A beaker contains 0.00500 M silver and lead(II) ions. A concentrated sodium bromide solution is…

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

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: How many grams of solid potassium hypobromite, KBrO must be added to 200.0 ml of 0.100M hypobromous…

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Q: Determine the pH at the point in the titration of 40.0 mL of 0.200 M HC4H,O2 with 0.100 M Sr(OH)2…

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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: The solubility of PbBr2 is measured and found to be 4.35 g/L. Use this information to calculate a…

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Q: A 50.0 ml sample of 0.200 M HNO2 (weak acid) is titrated with 0.400 M KOH. Calculate the pH after…

A: Neutralization reaction is a type of chemical reaction that occurs between acid and base resulting…

Q: The solubility of AgOH is 2 x 10-8 g/L a) Write a balanced equation for the solubility equilibrium…

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Q: Calculate the pH of the solution after the addition of 7.897.89 mL of 0.2790.279 M HClHCl. pH=pH=…

A: [NaOCl] = 0.123 M                                    Vol…

Q: At 25.0 mL sample of 0.76M HCOOH is titrated with 0.20 M KOH. What is the pH of the solution at…

A: At the equivalence point, all the HCOOH exists as HCOO- K+. At the equivalence point, the total…

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 25.4mL sample of 0.156 M HCl is titrated with 0.249 M NaOH. Calculate the pH after the addition of…

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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