Q: Calculate the [H3O+] of a 0.390 M acid solution; Ka=4.52 x10-5
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Q: Methylamine is a weak base for which Kb is 4.4 × 10-4 . Calculate the pH of a solution made by…
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Q: 4) Find the [H3O*] of a 0.100 M HCN solution. Ka for HCN is 4.9 x 10-10
A: Record the given data, c = 0.100 M Ka = 4.9 x 10-10
Q: Determine the concentration (M) of H3O+ in a 0.411 M solution of a triprotic weak acid, H3A, given…
A: Given, The concentration (M) of H3O+ in a 0.411 M solution of a triprotic weak acid, H3A, the acid…
Q: Find the percent ionization (?α) of a 0.25 M HNO2 solution. (Ka for HNO2 is 4.6 × 10-4) A) 1.2%…
A: The equilibrium constant is equal to the ratio of the concentration of the product to the…
Q: The Ka for benzoic acid is 6.5 10-5. Calculate the pH of a 0.10 M benzoic acid solution.
A: Benzoic acid is a weak acid so it will not completely be dissociated in its aqueous solution.…
Q: A 0.3 M solution of a weak acid, HA, has an [H30*] of 0.002 M. What is the Ka of the acid, HA?…
A: Dissociation of acid is HA + H2O --------> H3O+ + A- the relation between concentration of H+ or…
Q: What is the pH of a 40.0 mL solution that is 0.13 M in CN¯ and 0.27 M in HCN? The K, for HCN is 4.9…
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Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the…
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Q: volumes of 1.20 M sodium hydroxide. HgHis + H* + H2His" Kal = 3.98x103 H2His + H* + HHIS²- Ka2 =…
A: NOTE: please note according to our policy , we can only answer first three subparts of a question.…
Q: A solution of a weak acid contains 5 mM conjugate acid (HA), 2.5 mM conjugate base (A-), and 2.5 mM…
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Q: B is a weak base with Kp = (4.11x10^-9). What is the percent ionization of a (7.060x10^-1) M…
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Q: potentiometr irve is obtaine between strong base (0.05M) with weak monoprotic weak acid is given…
A: The titration curve given is,
Q: The propionate lon, CH CH,COO", reacts with water as a weak base: CH CH,COO", (aq) + HO)…
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Q: Q4// Calculate the molar concentration for acctic acid that ionized at 2.5%, ka=1 x10-5
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Q: Calculate the pH of a 0.0076 M solution of acetic acid, CH3COOH. The Ka of acetiç acid = 1.8 x 10-5.…
A: Kaa of acetic acid = 1.8× 10- 5 initial concentration of acetic acid = 0.0076 M
Q: Vhat is the original molarity of a solution of formic acid (HCOOH) whose pH is 3.26 at 25°C? (Ka for…
A: Formic acid, HCOOH is a weak acid. That's why pH = 1/2pKa - 1/2logC or, logC = pKa-2*pH ....(1)…
Q: Ka for nitrouse acid ,HNO2 is 4.5 x10^-4.what is the value of Kb for the nitrite ion NO2^-
A: Conjugate acid-base pair is a pair which differ by only one proton.
Q: Determine the concentration (M) of H3O+ in a 0.780 M solution of a triprotic weak acid, H3A, given…
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Q: QUESTION 7 Which of the following solutions would have the highest pH (not lowest pH)? Assume that…
A: Given- Concentration=0.10M
Q: Solve the following problem. All the values provided are measured values. Pay attention to…
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Q: What is the Kb when the Ka of a solution is 5.47×10−4.
A: Ka = acid dissociation constant Kb = base dissociation constant Now, it is given that Ka×Kb = 10-14…
Q: The percent ionization for 2.0 M HF is _________ %. (Ka for HF is 6.6 x 10-4)
A: Formula for % ionization = = [H+][HA]initial ×100Complete…
Q: Orthocresol (C7H8OH) has a Ka - 5.50 x 1011. if 100.0 mL of a 0.5000 M aqueous orthocresol solution…
A: Write the acid dissociation of orthocresol in aqueous medium: C7 H8OH (aq)+H2O(l)→C7 H8O-(aq) + H3O…
Q: Calculate [H3O + ] and [CH3COO− ] in an aqueous solution that is 0.100 M in both CH3COOH and…
A: Introduction: pH: pH is used to express the acidity of the solution. It is defined as the negative…
Q: Anisic acid (Ka=3.38x10^-5) is found in anise seeds and is used as a favoring agent. For a 0.867 M…
A: From given concentration of anisic acid = 0.867 M So from that All given categories like H+, OH-,…
Q: 7. The ka for acetic acid is 1.0 x 10.5. Is acetic acid a weak or a strong acid?
A: Strong acids completely dissociate in aqueous solution (Ka > 1, pKa < 1).
Q: Q1//A solution of 0.1 M of BX salt with pH=9.5, the HX is weak acid and BOH a strong base. Calculate…
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Q: . Morphine is a weak base for which Kb is 8 × 10-7 . Calculate the pH of a solution made by…
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Q: Calculate the pH of 0.750 M pyridinium chloride, C5H5NHCl? Given Kb of C5H5N is 1.70×10-9.
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Q: A certain weak acid, HA, has a Ka value of 4.0x10-7. Calculate the percent ionization of HA in…
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Q: An acid HA has a Ka of 1.00 x 10-7. Calculate the pH of a 0.100 M solution of its conjugate base.…
A: Given: Concentration of conjugate base of weak acid HA i.e. A- = 0.100 M And Ka of HA = 1.00 × 10-7…
Q: rite the expression for the Ka when HC₂H3O2 is dissolved in water 2H3O2 + H₂O C₂H3021 + H30+1 ][ Ka…
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Q: Calculate the Ka of an acid, HX, whose ionization is 31% when CHX= 0.60 M (Note that the %…
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Q: Find the percent ionization of a 0.101 M HC1O solution at 25°C. (The value of Ka for HC10 is 2.9 x…
A: Given: Concentration of HClO = 0.101 M
Q: Čalculate the pH and the equilibrium concentrations of HTEO3 and TeO32- in a 0.2840 M tellurous acid…
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Q: Calculate the pH of a 0.20 M KH2AsO4 solution (H3AsO4 Ka values: Ka1 = 5 x 10^-3 , Ka2 = 8 x10^-8…
A: Answer:- This question is answered by using the simple concept of calculation of pH of a weak acid…
Q: A 0.78SM solution of the weak acidhypoiodous acid, HOI, has a Ka of 2.32 * 10 ^ - 11 What is the…
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Q: In the laboratory a student measures the percent ionization of a 0.324 M solution of hydrofluoric…
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Q: In a solution with a pH of 7.0. What are the α1 and α0 values of the hypochlorous acid ? (For HOCl…
A: pH= -log [H+] [H+] = 10-7
Q: The hydronium ion concentration of an aqueous solution of 0.325 M nitrous acid (Ka = 4.50×10-4) is…
A: Given that - Molarity of nitrous acid, HNO2 = 0.325 M Acid dissociation constant, Ka = 4.50×10-4…
Q: Q-3- Calculate the pH for ( four) these solutions. 2- 200 ml. of acetic acid 0.1 M mixed with 300ml,…
A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…
Q: ASA (also known as AspirinTM) contains acetylsalicylic acid, C16H12O6. Acetylsalicylic acid is a…
A: Given, ASA (also known as AspirinTM) contains acetylsalicylic acid, C16H12O6. Acetylsalicylic acid…
Q: What is the percent ionization of a 0.50 M HC2H3O, solution (Ka = 1.8 × 10-5 ) at 25°C? 0.42 % 0.15…
A: Given: Concentration of HC2H3O2 = 0.50 M And Ka of HC2H3O2 = 1.8 X 10-5 Since HC2H3O2 is a weak…
Q: What is the percent ionization of 7.5x10-2 M HCN? Ka = 4.0 x 10-10 for HCN.
A: Given, Concentration of HCN (C) = 7.5 × 10-2 M Ka for HCN = 4.0 × 10-10 Percent ionization = ?
Q: Given that the Ka of HNO2 is 6.0 x 10^-4, calculate a) the Kb of the NO2- ion b) using the Kb find…
A: Given that Ka for HNO2 is 6.0×10-4We have to find the Kb for NO2- ionRecall the following equation…
Q: Calculate the concentration of HC2H302 in a solution that is .12 M of NaC2H3O2. the Ka of HC2H302 is…
A: Given that: molarity of NaC2H3O2 = 0.12 M Ka of HC2H3O2 = 1.8 x10 -6 To find: the…
Q: Q1//A solution of o.1 M of BX salt with pH=9.5, the HX is weak acid and BOH a strong base. Calculate…
A: molarity of the solution = 0.1 M The pH of the solution = 9.5
Q: Q1//A solution of o.1 M of BX salt with pH=9.5, the HX is weak acid and BOH a strong base. Calculate…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: pH
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- Please don't provide handwritten solution. Kc= 4.8*10-5An aqueous solution is made of the diprotic acid H2A to a concentration of 0.15 M H2A. Ka1 = 3.0 x 10-4 and Ka2 = 2.5 x 10-9 What is the [A2-] in this solution? Your answer should have 2 significant figures and be expressed in scientific notation (i.e. 3.0 x 10-2 as 3.0e-2)3.) In the assay of NaHCO3, 3.0g of the solid is dissolved in 25mL water. What is the normality? How many mL of 1N H2SO4 will be required to neutralize this solution? From this volume of acid, compute the percent purity of NaHCO3.
- Ksp of Calcium Hydroxide = 7.9 × 10-61.00 mL of a 3.55x10^-4 M solution of oleic acid is diluted with 9.00 mL of petroleum ether, forming solution A. Then 2.00 mL of solution A is diluted with 8.00 mL of petroleum ether, forming solution B. What is the concentration of solution B?M 180.0 mL of 0.12 M C2H5NH2 with 285.0 mL of 0.22 M C₂H5NH3Cl Express your answer using two decimal places. VE ΑΣΦ pH = ?
- TITRIMETRIC DATA SAMPLE: CANE VINEGAR % acidity in label: 4.5% %purity of KHP: 99.80% FORMULA WEIGHT of KHP: 204.22 g/mol STANDARDIZATION OF NaOH SOLUTION TRIAL 1 TRIAL 2 TRIAL 3 Weight of KHP, g 0.1012 0.1004 0.09987 Initial volume of NaOH, mL 5.00 10.01 Final volume of NaOH, mL 4.95 9.99 14.93 Molarity of NaOH Average Molarity of NaOH ANALYSIS OF ACETIC ACID IN A VINEGAR SAMPLE TRIAL 1 TRIAL 2 TRIAL 3 Volume of vinegar, mL Initial volume of NaOH, mL 1.00 1.00 1.00 14.98 22.90 30.87 Final volume of NaOH, mL 22.84 30.77 38.75 Molarity of acetic acid Average molarity of acetic acid ANALYSIS OF CARBONIC ACID IN A SODA SAMPLE TRIAL 1 TRIAL 2 TRIAL 3 Volume of soda, mL 20.0 20.0 20.0 Initial volume of NaOH, mL 20.20 22.05 23.93 Final volume of NaOH, mL 22.03 23.89 25.8 Molarity of carbonic acid Average molarity of carbonic acidThe concentration of the "A" solution of propanol is 3.0×10-3 M, using GC method, the height of this peak is 12750 unit. The concentration of etanol in a "B" solution is 7.5×10-3 M, using the same GC method, the height of the peak is 16100 unit in this case. Calculate the concentration and the peak of the compounds, if the mixture of 4 ml A and 6 ml B solution was injected!First answer is Ecell =30.0mv Second answer is [Al3+]=0.255 mol/l Please show the workout to getting those two solutions
- the ksp of calcium hydroxide is 4.86x10^-67 of 19 I Review | Constants | Periodic Table Part A How much concentrated solution would it take to prepare 2.95 L of 0.585 M HCl upon dilution with water? ΑΣφ V = %D mLExample 2: Sodium carbonate, Na:CO:(MM = 105.99) is a primary standard base that reacts with HCI as follows Na:CO₂ + 2HCI 2NaCl + CO₂ + H₂O If 40.37 mL of HCl(aq) were required to titrate a solution containing 221.4 mg of primary standard, Na2CO3, calculate the molarity of the HCI solution. Preliminary Questions Check the box that describes the sample problem for titrimetric analysis Standardization of a Titrant Solution Analysis of a Sample What are you looking for in the problem? Check the box that answers the question. % (w/w) HCI Molarity of HCI Calculate the molar concentration of the HCI solution. Show the complete solution (include all units of measurement and the required conversion factors) to each of the following problems. Enclose the final numerical answer (round-off the final answer to the correct number of significant figures) in a box.