Why is Iodide(I-) the most interesting qualitative test for the identification of an anion?

Q: 25.00ml of an NaOH solution is required to titrate 10.00ml of a 0.450m H2SO4 solution. Calculate thr…

A: titration is the process through which we determine the concentration of unknown solution by…

Q: based on the titration curve shown below, which of the following acids is being titrated? choose…

A: When titrating a weak acid with a strong base, the acid dissociates to some extent, and the…

Q: What is the resulting pH when 125 mL of a 0.1 mol/L CH3COOH solution is titrated with 75 mL of a 0.1…

A:

Q: 3. Use the mean value you determined for Keq to calculate the SCN concentration in a solution whose…

A: The given reaction is Fe+3 + SCN- -> Fe(SCN)+2 Equilibrium constant ( Keq) =…

Q: -3 The pH value of a (0.062 + 0.002) mol dm HCI solution is: Select one: 1.21 0.11 1.21 1 1.21 0.01…

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: Calculate the PH of a solution made by mixing 50 ml of 0.3 M citrate monobasic with 25 mL of 0.2 M…

A: Citric acid has three acidic protons and dissociates in three stages, as represented by the…

Q: 2.A solution prepared by dissolving 2.25 g HA (MW = 51.0) and 4.00 g of NaA in 500 mL of solution…

A: Weight of HA=2.25gm MW of HA =51.0 Weight of NaH=4.00gm Volume=500ml pH=6.02 Mw of NaA = MW of HA -…

Q: What relative masses of dimethyl amine and dimethyl ammonium chloride do you need to prepare a…

A: Given that, the pH of a buffer solution of dimethyl amine and dimethyl ammonium chloride is 10.50.…

Q: A 29.9 mL aliquot of arsenous acid that has a concentration of 0.688 M will be titrated with 0.337 M…

A: First to calculate the moles of each.  Then to calculate pH.

Q: A 0.050M NaOH was titrated against 25.00 mL of the following acids. 0.050M HCl 0.050M HC2H3O2…

A: Reaction between acid and base in aqueous medium results in formation of salt and water. This is…

Q: A solution contains a mixture of Fe3+ and Al3+, How can you separate them?

A: The solution is given below -

Q: What reagents would you use to separate the following ion pairs in solution? a) Na + and Ba2 +, b) K…

A: a) The ions given are Na+ and Ba2+.

Q: Calculate the pH in the titration of 20 mL of o.5M Acetic acid solution (CH3COOH) by 0.5M NaOH…

A: Since the volume of NaOH added is 0 mL hence the solution has only acetic acid  Assuming that y…

Q: The pH value of 30 cm3 of a 0.2 M NaA solution is 9. What is the Ka of HA and the percent…

A: We have to calculate the Ka of HA and percentage ionization of HA.

Q: A Chem1515 student dissolved 0.33 grams of KHP in 25.0 mL of water. She found out that it required…

A: The question is based on the titration. We are titrating a weak acid with a strong base. We need to…

Q: what is the pH of 20.00mL 0.0350M H2SeO3 by 0.5M NaOH solution at titrant volumes 0mL 5mL 10mL 15mL…

A:

Q: (a) Sodium acetate, CH3COONA was hydrolysed in water, H20. Show the reaction equations involved.…

A: Salt when undergoes hydrolysis reaction gives corresponding acid and base. Nature of resultant…

Q: The concentration of total phosphorous (HPO4^2- and H2PO4^-) found in a blood sample is determined…

A: Henderson - hasselbach equation enables the calculation of pH of a buffer solution made by mixing…

Q: Determine the Ka from the following graph.   Group of answer choices 8.91x10-3 1.00x10-2…

A: Introduction: Titration is the process to find the unknown concentration of the solution using known…

Q: alculate the pH for the complete titration of 100.0 mL of 0.122 M hydrazine, H2NNH2, with 0.200 M…

A: The chemical reaction can be given as follows: NH2NH2(aq)+HNO3(aq)→NH2NH3+(aq)+NO3-(aq) Molarity of…

Q: Ideal NaOH titrant preparation requires boiling the solvent H2O. Why

A: When an acid is titrated with sodium hydroxide solution, then initially sodium hydroxide solution is…

Q: A 50.0 ml of acidic solute (K. = 1.20 x 10-2) is titrated with a 2.50 mL of x 10-5 M NaOH solution.…

A: Given: Ka of acid solute = 1.20 X 10-2  Volume of acid solution = 50.0 mL = 0.050 L…

Q: Construct the titration curve for the titration of 26.0 mL of 0.100 M KOH with 0.0600 M HNO3

A:

Q: Chromium(III) hydroxide is amphiprotic.   Write a balanced chemical equation showing how an…

A: Amphoteric substances are those which can react with acid as well as base. We have to write the…

Q: Questions 15-20 refer to the same weak base/strong acid (WB/SA) titration. The K, of pyridine is 1.7…

A:

Q: Hello, I need help with the following question: You perform a titration using 25.0 mL of a 0.20 M…

A: (a)According the given data in the question, propionic acid is the analyte whereas NaOH is a…

Q: Identify a good buffer for ph < 7

A: A buffer solution (more precisely, pH buffer or hydrogen ion buffer) is an aqueous solution…

Q: 1) The next 9 questions are related to the titration of 20.00 mL of a 0.0750 M acetic acid solution…

A: From the ICE table, the concentration of protons in acetic acid solution is calculated as,

Q: If the intrinsic solubility of an acidic drug is 20 mM and its pKa is 6, what is the lowest/highest…

A: Given data:The intrinsic solubility of an acidic drug = 20 mMpKa value for the acidic drug =6The…

Q: An indicator (Ka = 1.7X106) is red but changes to blue when ionized. The indicator %3D was used in…

A: option (c) is correct. 5.32-7.32.

Q: What is the pH at the half-equivalence point in the titration of 36.9 mL of 0.46 M HClO with 0.18 M…

A: The half-equivalence point of a titration is the point at which the concentration of an added base…

Q: Given a solution containing K+, Mg2+, Ca2+, and Ba2+, draw a schematic diagram of a procedure that…

A: The solution containing K+ , Mg2+ , Ca2+ , Ba2+ can be separated by using the below chart.

Q: 2.  The ionization constant for acetic acid is 1.8 x 10-5. How many grams of NaC2H3O2 must be added…

A: The Henderson Hasselbalch equation for acidic buffer is given as :

Q: What relative masses of dimethyl amine and dimethyl ammonium chloride do you need to prepare a…

A: The objective of the question is to determine the ratio of relative masses of dimethyl amine and…

Q: The Ka of HCIO is 3.0x 10-7. When titrating a 50 mL solution of 1 M HCIO with 0.25 M KOH, what will…

A: The question is based on the concept of pH of the solution.  It is defined as a negative logarithm…

Q: Which of the following salts is insoluble in water? CuCl2 Cas PBF2 M9SO4

A: The given above salts are all ionic compounds and salts and the solubility of these compounds are…

Q: 8- Which of the indicator would be most suitable for use during the titration of ammonia with…

A: Given , acid : hydrochloric aid = HCl base : ammonia =NH3

Q: What are the concentrations of OH-(aq), (CH3)2NH2+(aq), and (CH3)2NH in a 0.450M solution of…

A: Consider the given reaction is as follows; Reaction:      CH32NH    +    H2O     ⇌         CH32NH2+…

Q: Buffering Capacity Which group is water, which group is phosphate salt, and which group is optimen…

A: The pH of water increases sharply because the concentration of hydroxyl ions increases suddenly on…

Q: Create flow diagram for cations tested: Ag+, Ba2+, Cu2+, Fe3+ Added HCL, NH3, H₂SO₄ K

A: Solution- flow diagram for cations tested is given below-

Q: Part D A 52.0-mL volume of 0.35 M CH3COOH (Ka = 1.8 x 10-5) is titrated with 0.40 M NaOH. Calculate…

A: Given: Volume of acetic acid  = 52.0 mL Molarity of acetic acid = 0.35 M Ka for acetic acid…

Q: Calculate the pH after addition of 0.00, 10.00, 20.00, 40.00, 41.00, and 50.00 mL of 0.4000 M NaOH…

A:

Q: What is the p-value of Ca^2+ ion in a solution that is 2.30 x 10^-4 M CaBr2 and 3.90 x 10^-4 M…

A: Answer: p-value is actually equal to the negative of logarithm of molar concentration of respective…