10) When reaction (1) and (2) below are added together, the result is reaction (3). 1) H200) +HNO2aq) = H3O+aq) + NO2-aq) 2) H3O+aq) + OH-(aq) = 2 H204) 3) HNO2(ag) +OH-(aq) = NO2-(aq) + H2O() If K1 = 4.50 × 10-4, and K2 = 1.00 x 1014, find the equilibrium constant, K3.
Q: Consider the following equilibrium between benzoic acid (Ka = 6.3x10) and its conjugate base: %3D…
A: Since you have posted multiple questions, we are entitled to answer the first only. The equilibrium…
Q: Phosphoric acid, H3PO4, is a triprotic acid with the following acid-ionization constants at 25°C:…
A: The chemical equation can be written as: The value of Kb can be calculated as:
Q: what are the molar H3O+ and OH- concentrations in (a very brief but concise solution will do)…
A: 0.0300 M HOCl 0.0600 M butanoic acid 0.200 M NaOCI
Q: Calculate the percent ionization of formic acid (HCO2H) in a solution that is 0.222 M in formic acid…
A: The pH of the solution is calculated in accordance with the Henderson-Hasselbach- equation.
Q: Examine the equation below and identify the acid, base and the salt . Provide an explanation to…
A: • The given reaction is as follows- KOH + HNO3 ————> KNO3 + H2O • From this given chemical…
Q: The dissociation of 0.15 M phosphoric acid is given by: H3PO4(aq) + H2O(l) ⇄ H2PO4^-(aq) + H3O^+(aq)…
A: As per answering guidelines only first question needs to be answered so it is requested to post…
Q: Hypochlorous acid (HOCI) is the main disinfecting form of "active chlorine" or bleach. a. Using its…
A: a) HOCl dissociates in aqueous solutions as per the following reaction: HOCl↔H++OCl-
Q: S. Alvanipour, Y. Gedeon, G. Zoorob, CC BY-NC-SA 4.0 B. Determination of unknown acid concentration…
A: We can solve this problem using the concept "amount of moles in the solution remains whether you are…
Q: Calculate the pka for the acid-base equilibrium below: OH Ka = le-9 00 H20 H3O*
A:
Q: 3. What are the concentrations of each of the following species in 0.100 M Ascorbic acid: H2C6H,O6,…
A: SOLUTION: Step 1: As ascorbic acid is a weak acid, [H2C6H6O6] =0.10 M
Q: For acetic acid, at equilibrium: Ka- [H3O*][CH;CO2 V [CH, CO2 H] =1.8×10"s In this case, you know Ka…
A: The pH is a negative logarithm of the concentration of hydrogen ions. pH = -log H+
Q: OUL UI 3 points. The boxes below contain a series of 0.1 M aqueous solutions of increasing pH where…
A:
Q: : Determine the pH of a .25 M CH3NH3Cl solution (Ka for CH3NH3+ = 2.3*10^-11)(Show the dissociation…
A: To Calculate pH , we would need to draw an ICE table and calculate concentration of H3O+. From this…
Q: (B) Give the conjugate acid of the following Bronsted-Lowry bases: ( i ) O2- ( ii ) H2PO4- Group…
A:
Q: Which of the following equations represents the acid equilibrium associated with Kaz for H3PO3? A)…
A: Given : To write the acid equilibrium associated with Ka3 for H3PO3.
Q: Aspirin (acetylsalicylic acid, HC₉H₇O₄) has a value of Ka equal to 3.3 × 10⁻⁴. What is the pH after…
A:
Q: One way to determine the predominant species at equilibrium for an acid-base reaction is to say that…
A: The pKa value of species in an equilibrium is a useful factor to determine the predominant species…
Q: At a temperature of 298K the value of Ka for ethanoic acid is 1.70 * 10Smoldm. c. Calculate the pH…
A: 1. Ka for ethanoic acid = 1.70 * 10-5 mol/dm3 = 1.70 * 10-5 M [ethanoic acid] = 0.350 mol/dm3 =…
Q: I am getting the wrong amount of sig figs for each equation, even though I am using the smallest…
A: The mass of 1 mole of viruses is calculated as shown below,
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: For each of the following aqueous reactions, identify the acid, the base, the conjugate base, and…
A: The entity produced when an acid gives up a proton has a tendency to regain the proton and it…
Q: 2. Identify the conjugate acid-base pairs of the following reactions. Using the table/data below,…
A: A conjugate acid is formed a base accepts a proton whereas a conjugate base is formed when acid has…
Q: 3. The pH of an acid solution is 6.20. Calculate the Ka for the acid. The initial acid concentration…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: LIBLEI For which of the pairs of acids is the stronger acid listed first? (Select all that apply)…
A: HOSO2CF3 or HOSO2CH3 Here fluorine makes conjugate base stable with withdrawwing effect. HClO3 or…
Q: What is the product of a neutralization of hydrosulfuric acid and calcium hydroxide.
A: Hydrosulfuric acid is chemically, H2S
Q: The dissociation of 0.15 M phosphoric acid is given by: H3PO4(aq) + H2O(l) ⇄ H2PO4^-(aq) +…
A: As per the answering guidelines only first 3 sub-parts need to be answered, so it is requested to…
Q: 1. Benzoic acid is a weak carboxylic acid that undergoes proton transfer with water. When a 0.125 M…
A:
Q: What is [OH-] of a solution consisting of 1.05 M NH3 and 0.98 M NH4NO3?
A:
Q: a. Write an equation in which HSO3 acts as an acid. (Use the lowest possible coefficients. Use the…
A: Given:
Q: Identify the conjugate acid-base pairs associated with the following acid-base reaction: HC_3H_5O_3…
A: CONCEPT A conjugate acid-base pair is a pair of acid and base which are formed by acid donating H+…
Q: How do I solve for the reactant?
A: Acetic acid has carbon, hydrogen and oxygen in it and acetic acid in its standard state is a…
Q: Examine the equation below and identify the acid, base and the salt . Provide an explanation to…
A: The given equation is: Ba(OH)2 + 2HI ----> BaI2 + 2H2O
Q: Which of the following are acid/base reactions? Select all that apply. 1. NaOH + FeI2 --> Fe(OH)2…
A:
Q: 34. When the pH of a solution is equal to 3.0, a. [H3O+] [OH-] c. [H3O+] + [OH-] d. [H3O+] = [OH-]…
A:
Q: F. Each of the following reactions is displaced to the LEFT. Identify the stronger acid for each…
A: Ans. Strong acids order HSO4- > HC2H3O2 > H2S > HCO3-
Q: Balance the following redox equations using the half-reaction method
A: Hi there, as there are multiple questions posted. We are answering the first question. If you need…
Q: Which of the following relationships in INCORRECT? Assume T = 25°C. O pH + pOH = 14.00 %3D…
A: pH is the indicator of acidic nature of a solution. Any solution with pH equal to 7 is considered…
Q: S HAC HAC Listening is everythi... Courses 20 of 34 If [H+] = 2.33 x 10-3 M, what is the [OH-] of…
A: Given, [H+] = 2.33×10-3 M
Q: Betaine hydrochloride (C5H11NO2HCl) dissolves according to Reaction 5.1 below. Reaction 5.1:…
A: The of a solution is the negative logarithmic of hydrogen ion concentration in the solution.…
Q: Determine the OH 1 of a solution that is 0.135 M in Cos For carbonic acid (H2CO3), Kal=4.3 x 10-and…
A:
Q: At 25oC, Ka for acid dissociation of aspiring (C9H8O4) is 3.0 x 10-4. Calculate ΔGo for the reaction…
A:
Q: At 25°C, what are the molar H3O+ and OH- concentrations in 0.0300 M HOCl? 0.0600 M butanoic acid?…
A:
Q: The acid-dissociation constant, Ka, for gallic acid is 7.71 × 10-10. What is the base-dissociation…
A: Calculate the Kw (water dissociation constant) using the following equation: Kw = [H+] x [OH−] and…
Q: pH РОН [H*] [OH] acid or 2.41 10-6
A: The given problem can be solved by using the formulae given below as; If the value of pH…
Q: For the Brønsted acid-base reaction shown below, determine the conjugate acid- base pairs. Then give…
A: A proton donor is considered to be an acid and a proton acceptor is considered to be a base. When a…
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: details for the following reactions. NH2 NH2 12. NaHCO, 2- Ar- NO, + 6HCI + 3Sn- - Ar-NH2+ 2H,0 +…
A:
Q: The concentration of H2S in a saturated aqueous solution at room temperature is approximately 0.1 M.…
A: The given chemical reactions are : H2S(aq) + H2O(l) ⇌ H3O+(aq) + HS−(aq) Ka1 = 8.9 ×…
Q: Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is…
A: Given chemical reaction is as follows: C6H5COOH(aq) + H2O(l) → C6H5COO-(aq) + H3O+(aq) The value of…
Q: The polyprotic acid, H3X, has acid dissociation constants Kaj = 5.6x10-1, Ka2 = 2.8×10-3, and Kaz =…
A: The dissociation constant of acid is expressed as Ka. It is the measure of acidity of a weak acid.…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
- In the following equation HNO2 (aq) + H2O (l) ↔ H3O+ (aq) + NO2-(aq), 0.37 M of nitrous acid was found in the resulting aqueous solution. Ka for HNO2 is 4.5 x10 -4. What will be the percent ionization of the weak acid? 0.034% 0.038% 0.045% 0.048%92Phosphoric acid, H3PO4, is a triprotic acid with the following acid-ionization constants at 25°C: Ka1 = 7.5 x 10-3 Ka2 = 6.2 x 10-8 Ka3 = 4.8 x 10-13 What is the value of Kb for HPO42–? Group of answer choices 1.6 x 10-7 2.2 x 10-8 2.1 x 10-2 4.6 x 10-10 1.3 x 10-12Betaine hydrochloride (C5H11NO2HCl) dissolves according to Reaction 5.1 below. Reaction 5.1: C5H11NO2HCl (s) → C5H11NO2 (aq) + H+ (aq) + Cl- (aq) How many milligrams of betaine hydrochloride (C5H11NO2HCl) would you need to ensure a patient with 50.0 mL of gastric acid has a pH of 2.0?
- Which below is the proper equation(s) for ionization of acetic acid? a) CH3COOH <--> CH3CO+ + OH- b) CH3COOH + H2O <--> H3O+ + CH3COO- c) CH3COOH + H2O <--> H3O+ + CH3COO- CH3COO- + H2O <--> H3O+ + CH2COO-2 d) CH3COOH + H2O --> H3O+ + CH3COO- e) CH3COOH --> CH3CO+ + OH-Q3- The acid-dissociation constant for chlorous acid, HCIO,, at 25C is 1.0x10. Calcul the concentration of H+ if the initial concentration of acid is 0.100 M. d Q4- How many grams of sodium hydroxide (M.wi=58.5) can be added 0 2.5 liter of a solution mixture of 0.3M ammonia and 0.15M ammonium chloride without changi POH by more than lunit? Ky=1.8x 10°? wWhy do we use the kw from this equation 2H2O(l) ⇄⇄H3O+(aq) + OH-(aq) to find the OH- of NaOH, instead of NaOH⇄⇄Na+ + OH- ?
- In calculating pH by ICE method of 0.015 M CH2FCOOH (Ka CH2FCOOH = 2.6 x10-3), the change in CH2FCOOH can not be neglected because. a. Acid Dissociation constant, Ka, has a negative exponent. b. pH is not within +/- pka unit of pka of CH2FCOOH c. initial CH2FCOOH concentration is less than 0.1 M d. dissociation of [CH2FCOOH] will be more than 5% of initial [CH2FCOOH] ----------- To protect corrosion of materials made of iron, the surface of the iron material is electroplated with another metal. Given below information, which metal will be best to “galvanize” the material ? O2 + H2O + 2e- -> 4OH-(aq) .... E0 = 0.401 v Fe2+(g) + 2e- - -> Fe ............ E0 =(-) 0.440 v Cu2+(g) + 2e- - -> Cu ...........E0 = 0.337 v Ni2+(g) + 2e- - -> Ni ............ E0 = (-)0.250 v Zn2+(g) + 2e- - -> Zn ............ E0 =(-) 0.763 v a. Zn b. Ni c. Cu d. Fe2+ ------------ Given : C (s) + H2O(g) <-> CO(g) + H2(g) Which of the following will shift equilibria to form…Ammonia, NH3, is a base and will readily accept a proton in accordance with the following reaction: NH3(aq) + H2O <-> NH4+ + OH- ∆G0NH3(ag) = -26.6 kJ/mol ∆G0H2O = -237.1 kJ/mol ∆G0NH4+ = -79.3 kJ/mol ∆G0OH- = -157.2 kJ/mol For NH3 dissolving in water and forming NH4- and OH-, at pH 9.0, [NH3] = 10-5 mol/L, [NH4-] = 10-5 mol/L. Is the reaction at equilibrium? If not, in which direction is the reaction going?Hydroxylamine, HONH2, readily forms salts such as hydroxylamine hydrochloride which are used as antioxidants in soaps. Hydroxylamine has Kb of 9.1 × 10–9. What is the pH of a 0.054 M HONH2 solution? Please report 2 decimal places.
- Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH (aq) + H2O (l) C6H5COO- (aq) + H3O+ (aq) The pKa of this reaction is 4.2. In a 0.62 mol L^-1 solution of Benzoic acid, what percentage of the molecules are ionized? Express your answer to two significant figures and include appropriate units.The acid-base reaction between bisulfate and carbonate is below. HSO4- (aq) + CO32- (aq) <=> SO42- (aq) + HCO3- (aq) Bisulfate would be considered as a(n)_______ while sulfate is the _______. Bicarbonate is considered a(n)______ since the ion may_______ a hydrogen ion in the reaction.Calculate the concentration (M) of the anion Z2- for a 0.100 M solution of H2Z given the acid ionization constants for the acids below. Report your answer to the tenths place using scientific notation and do not include units. (ie. 1.1e+9, 1.1e-9) H2Z(aq) Ka = 7.8 x 10-2 HZ-(aq) Ka = 7.0 x 10-9