By titration, it is found that 51.5 mL51.5 mL of 0.143 M NaOH(aq)0.143 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq).HCl(aq). Calculate the concentration of the HClHCl solution. [HCl]=[HCl]=

Q: A solution of phosphoric acid (HsPO.) with a known concentration of 0.250 M H.PO, is itrated with a…

A: Acid-base reaction :  H3PO4  + 3 NaOH  -->  Na3PO4  + 3 H2O  At equivalents point  Ma Va / na…

Q: Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of…

A: We calculate normality of acid and base then use this formula N1V1 = N2V2

Q: In a titration 40.0 mL of HCl is put in a flask with a few drops of phenolphthalein. A solution of…

A: Given: Volume of HCl V1= 40 mL Volume of NaOH V2= 20 mL Concentration of NaOH M2= 0.200M To find:…

Q: > Calculate the percent of acetic acid in a 20 mL vinegar sample. Titration was used, and it took…

A: Given data is Volume of the vinegar sample = 20 mL  Volume of NaOH used in the titration= 35.19 mL…

Q: Calculate the number of milliliters of 0.750 M NaOH required to precipitate all of the Cr²+ ions in…

A:

Q: A chemistry student in the laboratory titrated 18.00 mL of HCl solution with 58.6 mL of 0.145 M NaOH…

A: For the given chemical reaction :HCl (aq) + NaOH (aq)  NaCl (aq) + H2O (aq)Volume of HCl solution =…

Q: A chemistry student needs to standardize a fresh solution of sod!um hydroxide. She carefully weighs…

A:

Q: By titration, it is found that 56.9 mL of 0.142 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: The flask contains 10.0 mL10.0 mL of HClHCl and a few drops of phenolphthalein indicator. The buret…

A: Given, The Volume of HCl = 10.0 mL. The molarity of HCl = x. The Volume of NaOH = 31.1 mL. The…

Q: Use floating decimal in your solutions but express all final answers to four (4) decimal places and…

A:

Q: Acetic acid reacts with sodium hydroxide in the following fashion.  HC2H3O2(aq) + NaOH(aq)     →…

A:

Q: Potassium sorbate,KC H,O, (molar mass 150. g/mol) is commonly added to diet soft drinks as a…

A: Solution: Dissociation expression is a dissociation constant ( equilibrium constant). For acid…

Q: It takes 38.65 ml of a 0.0895 M hydrochloric acid solution to reach the equivalence point in the…

A: Neutralization reactions comprised of bases and acids. In such kinds of reactions, acid's…

Q: Molarity of the standard solution of soc hydroxide Volumes of NAOH(aq): First Rough titration Second…

A: Given :                                                    Rought         First          Second…

Q: What volume, in mL, of 1.78 M LiOH(aq) is needed to COMPLETELY NEUTRALIZE 125. mL of 1.38M H2C2O4…

A:

Q: It takes 38.65 ml of a 0.0895 M hydrochloric acid solution to reach the equivalence point in the…

A: Number of moles of HCl  = 0.03865 L × 0.0895 mol/L  = 0.003459 mol  2HCl(aq) + Ba(OH)2(aq) -->…

Q: 4. Using burets, a student titrated a sodium hydroxide solution of unknown concentration with a…

A:

Q: To determine the amount of a hypothetical compound KHA · H2A 2H2O in a pure sample, Senku asked his…

A: The compound KHA.H2A.2H2A has a total of 3 protons(H+). Hence it is a triprotic acid. #(a): Given…

Q: A solution contains 0.0140 M Pb2+(aq) and 0.0140 M Sr2+(aq). If you add SO2−4(aq), what will be the…

A: Ion that has lower value KSP , will precipitate first as its ionic product will overcome the KSP…

Q: 5.0-mL sample of 0.100M HCl(aq) is titrated with 0.125M NaOH. How many milliliters of NaOH will be…

A: The neutralisation reaction taking place is given as, => NaOH (aq) + HCl (aq) ------> NaCl…

Q: A titration required 22.30 mL of 2.567 M Sr(OH)2 to neutralize 6.50 g of an unknown diprotic acid.…

A: For Sr(OH)2 solution,Concentration of Sr(OH)2 solution = 2.567 M = 2.567 mol/LVolume of Sr(OH)2…

Q: Consider the following: 50 mL of a 1.067 M solution of HCI was diluted to 250 mL. The diluted HCI…

A: 50 mL of a 1.067 M solution of HCl was diluted to 250 mL . 25.00 mL of these diluted HCl solution…

Q: A titration is performed according to the following equation: H2SO4 (aq) + 2 NaOH(aq) → 2 H2O(l) +…

A: From the above balanced reaction we can say that to neutralise 1 mole of H2SO4 we will need 2 moles…

Q: A 5.00 mL sample of 0.25 M HBr solution is titrated with 0.35 M NaOH. What volume of NaOH is…

A: We should equal equivalent of both acid and NaOH ion to volume of NaOH Equivalent =…

Q: 25 mL of acetic acid was titrated 0.1 M NaOH. The titration required approximately 20.00 mL of NaOH…

A: Given,molarity of NaOH = 0.1 MVolume of NaOH = 20.00 mLVolume of acetic acid = 25 mL

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

A:

Q: Consider the reaction: CaCl(aq) + 2AgNO3(aq) -> Ca( NOZ)2(aq) + 2AgC|(s) How many grams of CaCl…

A: Answer:When solutions of two different substances are mixed and formation of precipitate takes place…

Q: A chemist is performing a titration in order to determine the amount of sodium hydroxide, NaOH(aq),…

A: Answer:Number of moles of any specie in a solution is equal to the product of its molar…

Q: A solution of 118mL of 0.180 M KOH is mixed with a solution of 260mL of 0.190M NiSO4. = 2KOH(aq) +…

A: Volume of KOH =  118mL Molarity of KOH = 0.180 M KOH  Number of moles of KOH = 118 × 0.180/1000 =…

Q: In a titration 40.0 mL of HCl is put in a flask with a few drops of phenolphthalein. A solution of…

A: Given, Molarity of HCl = 40.0 mL            Molarity of NaOH = 0.200 M            Volume of NaOH=…

Q: A chemistry student in the laboratory titrated 5.00 mL of HCl solution with 28.6 mL of 0.145 M NaOH…

A: Sodium hydroxide reacts with hydrochloric acid, to form sodium chloride and water. The equation for…

Q: A tablet contains 0.5 g of magnesium hydroxide as the only basic ingredient . The tablet is analysed…

A:

Q: 19- A sample of limestone is titrated for its value as a neutralizing agent. A sample weighing 1.000…

A: Limestone is CaCO3 Moles of CaCO3 = 1 / 100 = 0.01

Q: You perform the following titration. The concentrations and amounts of your reactants are listed…

A: Intrdouction :  We have to calculate the pH of solution .

Q: You are given 0.904 g of an unknown diprotic acid, H2A. It reacts with NaOH according to this…

A: Answer:For any specie, its number of moles in a solution is equal to the product of its molar…

Q: Titration of a 25.00 mL sample of acid rain required 12.4 mL of 0.009879 M NaOH to reach the end…

A: Volume of sulphuric acid,V1 = 25.00mL Volume of NaOH,V2 = 12.4mL Concentration of NaOH,M2 =…

Q: Consider the titration of 100.0 mL of an unknown concentration of weak monoprotic acid with 0.550 M…

A: The volume of unknown weak monoprotic acid, V1 = 100.0 mLThe concentration of weak monoprotic acid,…

Q: What volume of 0.812 M HCI, in milliliters, is required to titrate 1.45 g of NaOH to the equivalence…

A: Given: The concentration of HCl = 0.812 M The mass of NaOH = 1.45 g We have to calculate the volume…

Q: By titration, it is found that 63.7 mL of 0.184 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Given, 63.7 mL of 0.184 M NaOH 25.0 mL of HCl

Q: By titration, it is found that 47.1 mL of 0.171 M NaOH(aq) is needed to neutralize 25.0 mL of…

A:

Q: Malonic acid, H2C3H2O4 (aq), is a diprotic acid, so 2 moles of hydroxide ions are required per mole…

A: A neutralization reaction can be described as a chemical reaction in which acid and base react…

Q: A titration involves adding a reactant of known quantity to a solution of an another reactant while…

A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: A student performs a titration between 10.0 mL of a 0.25 M weak acid HA(aq) (Ka = 2.45 x 10 −5) and…

A: GIVEN: Volume of weak acid, HA =10.0 mL  Concentration of weak acid, HA = 0.25 M Ka = 2.45 x 10 −5…

Q: student is asked to standardize a solution of barium hydroxide. He weighs out 0.952 g potassium…

A: Given that:  Mass of potassium hydrogen phthalate(KHP) = 0.952g  Molar mass of KHP = 204.2 g/mol…

Q: Acetic acid reacts with sodium hydroxide in the following fashion.HC2H3O2(aq) + NaOH(aq) → H2O(l) +…

A: Given  Volume of acetic acid ( V1 )  =  2.50 mL                                               =…

Q: In a different titration experiment, it took 27.2 mL of a 0.102 M solution of NaOH to titrate 20.00…

A: Answer =  0.139 M

Q: A chemistry student weighs out 0.166 g of ascorbic acid (H,C,H,O), a diprotic acid, into a 250. mL…

A: Ascorbic acid reacts with sodium hydroxide to form sodium ascorbate and water. The equation for the…

Q: Titration of a 20.00 mL sample of acid rain required 4.13 mL of 0.08424 M KOH to reach the end…

A: The given reaction is, H2SO4- + 2KOH -----> K2SO4 + 2H2O This means that 2 moles of KOH is…

Q: A 13.8 mL solution of 0.176 M phosphoric acid (aq) is to be titrated with 0.384 M sodium hydroxide…

A: The mathematical calculation can be explained using acidimetry and alkalimetry . From this principle…

Q: in water as shown in the equation below. A 40.0 mL sample of an aqueous solution of benzoic acid…

A: The question is based on the concept of titration. we are titrating a weak acid benzoic acid with a…