The reaction of sulfuric acid (H2SO4) with potassium hydroxide (KOH) is described by the                 equation: H2SO4 + 2KOH → K2SO4 + 2H2O Suppose 50 mL of KOH with unknown concentration is placed in a flask with bromthymol blue indicator. A solution of 0.10 M H2SO4 is dripped into the KOH solution. After exactly 33.4 mL of H2SO4 is added, the indicator changes from blue to yellow. What is the concentration of the KOH? 0.067 M 0.13 M 0.15 M 0.26 M

Q: A dietary iron supplement consist of tablets containing the metal in the form of ferrous ions…

A: The balanced reaction taking place is given as, => 2 KMnO4 + 8 H2SO4 + 10 FeSO4 -------> K2SO4…

Q: Vinegar contains acetic acid (HC2H3O2), which is responsible for its acidity. In one analysis of a…

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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: Potassium permanganate, a strong oxidizing agent, is commonly used in titrations because of its…

A: Given, 27.12 mL of 0.1147 M KMnO4

Q: 164.00 mL of 0.200 M Cu(NO3)2(aq) is mixed with 93.000 mL of 0.400 M NaOH(aq). Assuming 100% yield,…

A: The chemical reaction is: Cu(NO3)2 (aq) + 2NaOH (aq) →Cu(OH)2 (s) + 2NaNO3 (aq)

Q: In the reaction between KCl(aq) and AgNO3(aq), a precipitate of AgCl(s) will form. What mass (in…

A: Molarity of AgNO3 solution = 0.220 Volume of AgNO3 solution = 27.2*10-3 Molar mass of KCl= 74.55…

Q: For the following reaction, 0.470 moles of magnesium nitride are mixed with 0.102 moles of water.…

A: Mg3N2   +    6  H2O        -->   3 Mg(OH)2…

Q: To measure the amount of chlorine in a well-boring fluid, an analytical chemist adds 0.130M silver…

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Q: An exchange reaction is carried out using a soluion of aqueous lead (II) nitrate. A percipitate is…

A: Lead nitrate or PbNO32 reacts in presence of sodium hydroxide, and forms a precipitate of lead…

Q: If 27.4 mL27.4 mL of the barium hydroxide solution was needed to neutralize a 3.82 mL3.82 mL aliquot…

A: The balanced Chemical equation given in the question - Ba(OH)2 + 2HClO4 ----> Ba(ClO4)2 + 2H2O…

Q: Fill out the chart in the picture for what kind of reaction is this then calculate the mass percent…

A: To measure the amount of calcium carbonate (CaCO3) in a seashell, an analytical chemist crushes a…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

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Q: A mixture of solid chlorides was known to contain some or all of the following cations: Ag…

A: Out of the given possibility of chlorides of Ag+, Al3+, Cr3+, Ca2+ and Zn2+, only AgCl is not…

Q: The mass of a solid piece of iron Fe(s) should be determined by allowing it to react with a solution…

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Q: The mass percentage of chloride ion in a 25.00-mL sample of seawater was determined by titrating the…

A: The balanced reaction for the formation of silver chloride precipitate from silver nitrate can be…

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: A chemist performs a gravimetric analysis. The chemist combines 1.00 L of 2.00 M AGNO, (aq) with…

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Q: To measure the amount of citric acid (C,H,0(CO,H),) in a certain candy, an analytical chemist…

A: Given that : Mass of the sample=23.00 gThe volume of water=150 mLThe volume of NaOH=39.0 mLThe…

Q: To measure the amount of chlorine in a well-boring fluid, an analytical chemist adds 0.380M silver…

A: Given following balanced Chemical equation -  Cl-(aq) + AgNO3(aq) ----> AgCl(s) + NO3-(aq)  Also…

Q: The concentration of SO32− in a solution is determined by titrating it with a 0.200 M dichromate…

A: So we can say that• Cπ2O72- → act as qxidising agent because it oxidises S(v) → S(vl)    but itself…

Q: The reaction of sulfuric acid with sodium hydroxide is described by the equation: [% H_2SO_4+2NaOH\…

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Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)2(aq) , until no…

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Q: Write a net ionic equation for this reaction

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

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Q: What are the products formed when the following is mixed? The resulting reaction may or may not be…

A: All salts of nitrate and potassium are water soluble as the due to size mismatch between the ions…

Q: A student was given a 3.708-g sample of a mixture of potassium nitrate and potassium bromide and was…

A: Given ; Mass of sample = 3.708 g Mass of AgBr precipitate formed = 2.957 g And the sample contains…

Q: In the following reaction, what mass of copper(Il) hydroxide is produced by mixing 8.06 mL of a…

A: Recall the given reaction ,  Cu(NO3)2 (aq)  +  2 NaOH (aq)  ------->  Cu(OH)2 (s)  +  2 NaNO3…

Q: Potassium hydrogen phthalate, KHP, is often used as a primary standard for the standardization of…

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Q: What kind of reaction is this if you said this was a precipitation write down the chemical formula…

A: The given reaction

Q: To measure the concentration of an aqueous solution of H₂O2, an analytical chemist adds strong acid…

A: Given following balanced Chemical equation -  6H+(aq) + 5H2O2(aq) + 2MnO4- (aq) ----> 5O2(g) +…

Q: Iron ions can be removed from a iron(III) sulfate solution, Fe2(SO4)3(aq), by precipitating them…

A: A question based on mole concept, which is to be accomplished.

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: The chemical reaction that takes place between copper chloride and silver nitrate is shown below:…

Q: Zinc and magnesium metal each react with HCl according to the following equation: Zn + 2 HCl= ZnCl2…

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Q: To measure the amount of calcium carbonate (CaCO3) in a seashell, an analytical chemist crushes a…

A:

Q: A 1.054-g sample of KHP (potassium hydrogen phthalate, KHC3H404; molar mass = 204.22 g/mol) is…

A: Molarity of a solution is the number of moles of solute upon the volume of the solution in liters.…

Q: Prior to breathalyzers, blood alcohol (C2H$OH) level can be determined by reacting a sample of blood…

A: The level of alcohol in blood can be measured with the help of redox titration with potassium…

Q: You have a solution that is either CuCl2 (aq) or Cu(NO3)2 (aq).  You add some KOH (aq) and a solid…

A: Given: CuCl2 or Cu(NO3)2  is added to the aqueous KOH, a solid precipitate is formed.

Q: The following molecular equation represents the reaction that occurs when aqueous solutions of…

A: First we will write ionic equation then cancel the spectator ions to get net ionic equation.

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: Consider

A: We will calculate mass percent of acetic acid

Q: A student is given the task of determining the concentration of a solution of hydrochloric acid.…

A: In the titration of Ba(OH)2 Vs HCl , the chemical equation can be written as  Ba(OH)2 + 2HCl =BaCl2…

Q: Complete neutralization of a mixture of magnesium hydroxide and aluminum hydroxide is required 48.5…

A: The given data contains, Volume of HCl = 48.5 ml. Molarity of HCl=0.187 M.

Q: Write the complete, balanced reaction that occurs when manganese (II) nitrate is mixed with sodium…

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Q: 2. Vinegar contains acetic acid, CH3COOH. You can determine the mass of acetic acid in a vinegar…

A: It involves acid base titration between Sodium hydroxide and acetic acid. a) nNaoH=MXV=0.529×58.18mL…

Q: In the titration of an impure sample of KHP, it was found that 36.0 mL of 0.100 M NaOH was required…

A: KHP reacts with NaOH as: NaOH+KHP→NaKP+H2O

Q: The amount of nitrogen in an organic substance can be determined by an analytical method called the…

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Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Molarity = number of moles of solute/ Volume of solution(in L) Molality = number of moles of…

Q: (CH,O(CO,H),)' To measure the amount of citric acid in a certain candy, an analytical chemist…

A: Given, Mass of sample = 22.0 g Volume of sodium hydroxide solution = 30.9 mL Concentration of sodium…

Q: The strength of the eggshell of birds is determined by the calcium carbonate content of the…

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Q: Write the balanced molecular equation for this reaction AND determine the concentration of the…

A: Given volume of HCl solution is 20.00 mL  Given volume of NaOH solution is 30.50 mL and strength of…