Some 6 M hydrochloric acid is added to an unknown. Bubbles appear. Which ion, from this experiment, is the most likely present in this unknown? Select one: A. SO43- B. NH4+ C. CO32- D. PO43-

Q: 23. Which of the following equations is the Henderson-Hasselbalch equation? (H*] pH = pK, + log [B']…

A: Buffer is a solution which can resist change in pH when small amount of acid or base is added to it.…

Q: 8. For phosphoric acid, H3PO4, the kai expression is:

A:

Q: The following data were collected from a Ksp experiment on an alkaline earth hydroxide. Calculate…

A: Given : Volume of HCl solution used = 10.48 mL Concentration of HCl = 0.129 M Volume of saturated…

Q: The PBS protocol above says to adjust pH to 7.4 with HCl. What does this imply on the pH of 10x PBS…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: 1. The oxalate ion concentration, C;0. of 0.20 M H;C0 is adjusted to a value of 3.00 x 10 M. What is…

A: As per the guideline, since you have asked multiple questions, we have solved the first question for…

Q: ILMatch each item with the correct statement below. a. integrated rate law b. Buffers c. leclanche…

A: The various terms has different definitions.

Q: 3. Calculate the number of moles a. 1.0 mL 0.10M Pb(NO3)2 and 5.0 mL, 0.10 M KI b. 2.0 mL 0.10M…

A: Solution- (a).No. of moles = concentration × volume Pb(NO3)2 +2KI → PbI2 ↓+2KNO3No of moles of…

Q: 4. Calculate the pH of a 0.47 M solution of HOI. (Ka= 2.3 x 10-11). Use 2 decimal places in your…

A: 4. For weak acid, pH = 1/2 pKa- 1/2 Log C

Q: 2. Provide the equilibrium that defines the pH of the following solutions. For solutions that…

A: When we have the conjugate acid-base pair of the same species, the equilibrium reaction having the…

Q: True or false (6).  The greater the Ksp value,   the more soluble the precipitate in water

A: Since you have posted multiple questions so I am solving question number 6 .If you want to be solved…

Q: 2. Confirmatory tests for the various ions are often colorful. Identify the confirmatory…

A: We have find out the confirmatory test for various ions and reagents for separations.

Q: = Report - Goog X ed Scholarship Ap CovalentActivity.do?locator-assignment-take NGLSync Porta OWLv2…

A:

Q: b. Sketch the pH curve produced during this titration.

A: On addition HCl , the pH value of the solution  gradually decreases and at the equivalence point ,…

Q: 3. Rank the following slightly soluble compounds from most soluble to least soluble in water. Ag.PO.…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: 4. What specific effect, if any, would each of the errors below have on the calculated concentration…

A: Acetic acid (ethanoic acid) is a colorless liquid organic chemical compound CH3COOH (also written as…

Q: 100 = $4.23. 31-61 7. Base your calculations on the following balanced neutralization reaction:…

A: Since you have posted a question with multiple sub-parts, we will solvefirst three sub- parts for…

Q: Explain why the observed color change with bromcresol green for each of the four solutions is…

A: Since I am answering the first three sub-parts of multiple sub-parts. Please repost the question and…

Q: Chapter 10 roblem 8 8 of 2 Review I Constants Period Part A How many milliliters of 0.250 M NaOH are…

A: Given, Molarity of H2SO4 = 0.350M.            Volume of H2SO4 = 35.0mL = 0.035L.The balanced…

Q: One of the following formulae is not true a. pka=-log Kw/Kb O b. pH=pKa - log B/A C. none of them

A: We have to tell which option is correct from given choices of options by finding incorrect formula.

Q: HMO (aq) → H+. н (aq) red ed to distilled water, the solut

A: Le chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…

Q: Write the equilibrium expression (Ka) for each of the following reactions: a. Nau + Oni + Br 2 NOBr…

A: Equilibrium expression for any reaction is written by the ratio of product of equilibrium…

Q: 2. An old bottle of sulfuric acid is found in the lab. The concentration of this bottle is unknown…

A: To determine the concentration of the sulfuric acid solution, we can set up a balanced chemical…

Q: Part A Calculate the molar concentration of OH ions in a 0.520 M solution of hypobromite ion (BrO;…

A: We know , PH = [OH-] , PH + pOH = 14

Q: A diprotic acid, H2A, has values of Kai = 1.0 x 10° and K2 = 1.0 x 101º. In a 0.10 M solution of…

A: Answer:- this question is answered by using the simple concept of calculation of equilibrium…

Q: b.) Starting with a 0.55 M solution of H2A, you want to know the pH and the final concentrations of…

A: conc. = 0.55 M  Acid = H2A Ka1 = 1.5 ×10-4 Ka2 =2.0 × 10 -7

Q: 3. Determine the pH of the following solutions: a. 1.9 M HClO2 solution (Ka = 1.1x10-2) b. 2.8 M…

A: In this question, we will determine the pH of the following two solution one is acidic solution and…

Q: 2. Ni(P(0-C6H4Me)3)2Cl2 is strongly paramagnetic, while Ni(PMe3)2Cl₂ is diamagnetic see the…

A: PR3 ligands are known to exhibit a weak π-acid character when forming an organometallic compound.…

Q: The pH of 1.50 mol/L acid is measured to be 5.75. For this acid, the Kais -5.75 = [H₂₂0] A. 2.1 x…

A:

Q: Calculate the pH of a solution containing 0.03 M NaH2VO4, and 0.05 M Na2HVO4 (Ka1- 1.11.10-2, Ka2 =…

A: Please be noted that the formula of the compound is NaHVO4- but not Na2HVO4.   pH=- log H+ For a…

Q: Which of the following is true at the equivalence point of a titration of a weak acid (HA) with a…

A: HA  +   NaOH  ------->    NaA  +  H2O At equivalent point it will be the solution of NaA in water…

Q: 8. An indicator with Ka = 6.45 X 10-5 is yellow in acid and blue in base. Showing a calculation for…

A: In indicator is a substance which is used to detect the equivalence point of an acid base titration…

Q: - Calculate the pH of a 0.0403 M KOH solution at each temperature. 30 °C pH= 5.9 ×10-16 Incorrect 40…

A:

Q: 2. Calculate Ka for Aspirin solution (350 ml containing 1.26 g) with pH 2.6. The molecular formula…

A: Given data, Mass of aspirin=1.26gVolume=350mL=0.350LpH=2.6Molecular mass of aspirin=180g/mol

Q: What is the concentration of hydroxide ions in a solution containing 2.5 x 10-5 M of hydronium ions…

A: Given,  Concentration of hydronium ion [H3O+] = 2.5 × 10^-5 M Concentration of hydroxide ion [OH-]=…

Q: Complete the following reaction: HCI + Mg(OH)2 --> a. MgCl2 + H20 b. Mg +H20 c. MgCl2 + H2 d. MgCl2…

A: Given  Reactant = HCl and Mg(OH)2 Complete reaction = ?

Q: Sulfuric acid is acidic, but what would be the pH, the sulfuric acid concentration [H2SO4]eq,…

A:

Q: Calculate the hydroxide ion concentration for a solution with (H3O+)eq = 0.00004 M Hint: Kw= Ka Kb

A:

Q: A lake water is analyzed and found to have 1.2 mg NH4*/L, at pH = 7.8. a. Using pKa and ionization…

A: pKa for NH4+ ions is equal to 9.26.

Q: 2 2 Calculate the following: a. If K, = 1.76 x 10-5, what is pK.? b. If Ka If pH = 2.500, what is…

A: Kw = Ka×Kb = 1× 10-14  From here we can calculate ka and Kb  pKa = - log Ka  pH = - log [H3O+] pOH =…

Q: Shonld be mixed rith s.0 lth pH 10.00? 9-13 How mony grams of maco, (Fm 1o5.9) 5.009 g buffer hith…

A: Volume of buffer solution = 100 mL pH =  10.00

Q: I have a 1.018 M solution of nitrous acid, along with a 1.018 M solution of nitric acid. The H,0"…

A:

Q: 2. Write the equilibrium reaction (with water) of the following compounds and their corresponding…

A: Since you have asked multiple questions, we will solve the first question for you as per our…

Q: E 1. CH,MgBr 2.HIO* 1. Na(CN)BH, pH 4-5 2. HO CHÍNH, NGOH 1. CHICH₂NH2, Na(CN)BHz. pH 4-5 2.…

A: Find out suitable reagent for conversion of the reaction Alkyl cyanide into ketone

Q: B: What is the pH of 0.6 M NHẠC1 solution? Discuss your results. (Kb of NH= 1.8 x 105) NH4* + H2O+…

A: In the given question we have to calculate the pH of 0.6 M NH4Cl Solution. we know that the ammonium…

Q: Complete the balanced molecular reaction for the following weak base with a strong acid: NaCIO(aq) +…

A: Here NaClO (sodium hypochlorite) will react with H2SO4 (sulphuric acid) to form Na2SO4 (sodium…

Q: Find [H] and the pH of 0.05 M LiNO3.

A: pH is used to determine the concentration of hydronium ion.