Fill in the blanks: An environmental chemist analyzed the effluent from an industrial process known to produce the compounds carbon tetrachloride (CCI4) and benzoic acid (HC7H502), a weak acid that has one acidic hydrogen atom per molecule. A sample of this effluent weighing 0.3518 g was shaken with water and the resulting aqueous solution required 10.59 mL of 0.1546 M NaOH for neutralization. Calculate the mass percent of HC7H5O2 in the sample.

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: What volume (in mL ) of 0.160mol / L calcium hydroxide , Ca(OH) 2 (aq) , is needed to completely…

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Q: How many grams of cobalt(II) nitrate, Co(NO3)2, must be dissolved to prepare 250. mL of a 0.228 M…

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Q: You would like to make 3L of 0.10 M HCl(aq) solution from a stock solution with a concentration of…

A: • The values provided in the question are:-       i) Initial concentration of HCl solution, M1 =…

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 balanced equation for the neutralization reaction of aqueous H,SO, with aqueous KOH is shown. H,…

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Q: Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 4.4 g of iron are to be…

A: Metals are very essential in reducing as they have their nature, they donate electrons very easily.…

Q: What volume of 0.175 M sodium phosphate, Na3PO4, solution is necessary to completely react with 95.4…

A: Reaction                              Na3PO4 (aq) + CuCl2 (aq) -------> Cu3(PO4)2 (s) + NaCl (aq)…

Q: which of the following substances is commonly used to reduce soil acidity? Ammonium sulphate Sodium…

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Q: A volumetric pipette was used to transfer 18.00 mL of 1.150 M HCI solution into a 125 mL flask. Four…

A: The balanced chemical equation between NaOH and HCl is given by        HCl(aq)    + NaOH(aq)…

Q: What is the volume of 1.323 M sodium hydroxide required to react with 15.3 g of concentrated acetic…

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Q: Lactic acid (HC3H5O3) is a monoprotic acid that forms when milk becomes sour. A 40.00 mL sample of…

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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: Following the procedure, a student recorded the initial volume of NaOH in his buret as 1.43 mL. He…

A: Titrimetric analysis involves the determination of the volume of a solution of known concentration.…

Q: What is the concentration of nitric acid in the final solution?

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Q: A beaker contains a water solution of unknown monoprotic* acid (molar mass of the acid is known to…

A: suppose monoprotic acid is HA                    2HA + Ca(OH) 2  ====> CaA2  + 2H2O  This is…

Q: what volume of 0.240 M HCl is required to react with 145 mL of 0.320 M NaOH?

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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: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows:Zn(s) + 2HCl(aq) → ZnCl2(aq) +…

A: The values are given as follows:

Q: Following the procedure, a student recorded the initial volume of NaOH in his buret as 1.41 mL. He…

A: Given: Initial volume of NaOH in the burette= 1.41 mL Final volume of NaOH in the burette= 12.91 mL…

Q: A beaker contains a water solution of unknown monoprotic* acid (molar mass of the acid is known to…

A: Mass percentage: It is a way of representing the concentration of an element in a compound or a…

Q: Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 3.7 g of iron are to be…

A: The question is based on reaction Stoichiometry. we have been given mass of iron. we need to…

Q: A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.281 M HCl. All the CaCO3…

A: Explanation Step-1 Molarity: Molarity is well-defined as the moles of a solute per litres of a…

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: A 50.00-mL sample of aqueous Ca(OH)2 requires 34.66 mL of 0.917 M nitric acid for neutralization.…

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Q: A mixture of hydrochloric and sulfuric acids is prepared so that it contains 0.575 M HCl and 0.145 M…

A: The moles of HCl and sulfuric acid is calculated.

Q: A solution of 100. mL of 0.01 M Ca(OH)2 is neutralized by what volume of 0.075 M HNO3? Write the…

A: Neutralisation reactions are those reactions in which acids reacts with bases to form salt and…

Q: What mass of Na2 CrO4 is required to precipitate all of the silver ions from 85.0 mL of a 0.300 M…

A: Given : molarity of AgNO3 solution = 0.300 M or 0.300 mol/L  Volume of AgNO3 solution = 85.0 mL  To…

Q: If the above reaction involves the monoprotic acid potassium hydrogen phthalate (KHP, molar mass =…

A: The balanced reaction between the monoprotic potassium hydrogen phthalate, KHP and NaOH can be…

Q: A laboratory custodian needed to prepare 4590 mL of a 2.45 N solution of HCl for the conduct of…

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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: To analyze the alcohol content of a certain wine, a chemist needs 1.02 L of an aqueous 0.328 M K 2Cr…

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Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s) + 2HCl(aq) → ZnCl2(aq) +…

A: Determine limiting reagent:1 mL = 0.001 L

Q: react

A: Acid: V =15 ml, M =? Base: V = 55.7 ml and M = 0.1 M

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: if 23.1g of NaOH ( MM= 40.00g/mol) are added to a 500ML volumetric flask, and water is added to fill…

A: Given :  Mass of NaOH = 23.1 g  Molar mass of NaOH = 40.00 g.mol-1  Volume of solution = 500 mL  To…

Q: A student finds that it takes 43.73 mL of 0.2383 M NaOH to titrate 20.00 mL of sulfuric acid…

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Q: A 12.7 g sample of an aqueous solution of hydrochloric acid contains an unknown amount of the acid.…

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Q: The balanced equation for the neutralization reaction of aqueous H, SO, with aqueous KOH is shown.…

A: For acid base neutralization, At end point,  Number of equivalent of Acid = Number of equivalent of…

Q: A 8.92 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

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Q: The German company Surig sells Essigessenz, which is reported to be 30% acetic acid by mass vinegar.…

A: Mass of the vinegar sample taken for titration = 10.261 g  Molarity of NaOH taken for titration =…

Q: One method used commercially to peel potatoes is to soak them in a solution of NaOH for a short…

A: Given, The normal range of concentration of NaOH = 3 to 6 M Volume of H2SO4 solution = 45.7 mL…

Q: How many grams of HCl(s) are there in 300 mL of 4.50% w/v HCl(aq) solution?

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Q: A 11.4 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid.If…

A: The reaction between hydroiodic acid and barium hydroxide is given as  2 HI + Ba(OH)2 ----> BaI2…

Q: If 6.00 mL of 0.0210 M CuSO4 is diluted to 10.0 mL with pure water, what is the molar concentration…

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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: Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 4.4 g of iron are to be…

A: The required balanced chemical reaction is given below.

Q: A solution is prepared by adding 2.0 g of solid CaBr2 and 1.55g of NaBr to 100.ml of 0.15 M AlBr3.…

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Q: A Calcium chloride and sodium hydroxide react according to the equation: CaCl (aq) + 2 NaOH(aq) →…

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