The titration of an impure sample of KHP  found that 30.00 mL of 0.050 M  NaOH was required to react completely with 0.638 g of sample. What is the percentage of KHP in this sample?

Q: 1. What is the percentage of acetic acid, CH3COOH, in a sample of vinegar if 36.00 mL of 0.486 M…

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Q: A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 1) balance the following chemical equation for the reaction of hypothetical elements X, Y, and Z.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass…

A: Chemical reaction between sodium hydroxide and KHP as follows:

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A: Since mass of CuSO4•5H2O used = 250 mg = 0.25 g              (since 1 g = 1000 mg) Hence moles of…

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Q: What is the percentage of acetic acid, CH3COOH, in a sample of vinegar

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Q: Analysis of a solution of NaOH showed that 42.67 mL of 0.485 M HNO3 was needed to titrate a 25.00-mL…

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Q: Does a reaction occur when aqueous solutions of sodium sulfide and lead (II) acetate are combined?…

A: Yes , reaction will occur , first we have to write molecular reaction and then net ionic reaction

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A: NOTE : Since you've posted multiple questions,we'll solve first question for you. If you want any…

Q: Consider the precipitation reaction that takes place when a water solution of aluminum nitrate,…

A: On reacting above two aluminium phosphate precipitate and potassium nitrate form as side product.

Q: 1. What volume of 0.2030 mol/L NaOH(aq) is needed to react completely with 40.00 mL of 0.19 mol/L…

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Q: A student uses 1.05 g of a tablet containing Carbonic Acid dissolved in 0.05 L distilled water. The…

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A: When acid and base react with each other then salt and water is produced.

Q: 1. What is the percentage of acetic acid, CH3COOH, in a sample of vinegar if 36.00 mL of 0.486 M…

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

Q: A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.337 M HCl. All the CaCO3…

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Q: The solubility of magnesium hydroxide, Mg(OH)2, in water is 9.0 × 10–4 g/100 mL. What volume of…

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Q: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to…

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Q: Consider the reaction between aqueous solutions of Pb(NO3)2 and KBr.   Pb(NO3)2(aq) + KBr(aq) =…

A: The Reaction between Lead Nitrate and Potassium bromide Pb(NO3)2(aq)+KBr(aq) ---------->…

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Q: The calcium in a 200.0 mL sample of natural water was determined by precipitating the cation as…

A: The mass of empty crucible is = 26.6002 g The mass of crucible and CaO is = 26.7134 g The mass of…

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A: When any solution is diluted, the new concentration can be calculated using the dilution equation:…

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A: Balanced molecular equation is given by,

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Q: A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.364 M HCl. All the CaCO3…

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Q: The amount of I7(aq) in a solution can be determined by titration with a solution containing a known…

A: The given net ionic equation is : The volume of Na2S2O3 = 29.3 mL The molarity of Na2S2O3 = 0.310 M…

Q: net ionic equation

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Q: 1. What is the percentage of acetic acid, CH3COOH, in a sample of vinegar if 36.00 mL of 0.486 M…

A: The question is based on the concept of quantitative estimation. we have to calculate mass…

Q: A student weighs out a 2.41 g sample of FeCl2,transfers it to a 100.mL volumetric flask,adds enough…

A: Given the mass of solute, FeCl2(s) = 2.41 g  Volume of the solution to be prepared = 100. mL

Q: Write a net ionic equation for the reaction that occurs when aqueous solutions of nitric acid and…

A: Steps for writing the Net Ionic Equation :  ​​​​​​1. Write the Balanced Molecular equation.  2.…

Q: A student weighs out a 3.06g sample of MgBr2, transfers it to a 135mL volumetric flask, adds enough…

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Q: An experiment was carried out as follows: 1.5766 g of an ammonium salt was placed in a beaker and 60…

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

Q: A 0.458 g sample of anhydrous sodium carbonate Na2CO3 is dissolved in deionized water and titrated…

A: Given: Mass of anhydrous sodium carbonate = 0.458 g. Volume of HCl = 21.34 mL Molar mass of sodium…

Q: A student weighs out a 5.01 g sample of FeCl2, transfers it to a 250. mL volumetric flask, adds…

A: Given :-  Mass of FeCl2 = 5.01 g  Volume of solution = 250. mL  To calculate :-  Molarity of…

Q: A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass…

A: Given, Mass of KHP =0.7840 g Initial reading of burette=0.8400 mL Final reading of burette = 39.20…

Q: What is the percentage of acetic acid, CH3COOH, in a sample of vinegar if 36.00 mL of 0.486 M NaOH…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: neutralize a nitric acid solution. 1. Write a balanced chemical equation for the reaction that…

A: Barium hydroxide is a base and nitric acid is acid  Reaction between these two is a neutralization…

Q: Lets pretend for a moment that you’re now working as an analyst working for the police department.…

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Q: An experiment was carried out as follows: 1.5766 g of an ammonium salt was placed in a beaker and 60…

A: Given % of NH4+ in the salt = 37.5 % Therefore 1.5766 g salt contain 1.5766 × (37.5/100) = 0.5912 g…

Q: What is the volume of 1.596 M sodium hydroxide required to react with 14.5 g of concentrated acetic…

A: volume of 1.596 M sodium hydroxide required  = 133 ml

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: Let the mass of solution is 100 g Given  mass of HCl will be 36.0 g Number of moles of…