1. Identify acid or base, give its conjugate form. A) HCO, в) он C) H;SO. D) H:PO.

Q: Calculate the [H3O+] of a solution with a pH = 1.35. Express the answer to 3 sig figs

A: Given, pH = 1.35, [H3O+] = ?

Q: Which of the following molecules can behave as a Lewis base? В. C. O A only O A and D B only O A and…

A: In order to select Lewis base we have to know Lewis acid base theory

Q: 3- Arrange the following in decreasing order of acidic character: * OH OH OH OH CI CH, NO, OCH, I II…

A: When different type of groups attached with benzene ring of phenol then acidic strength effected by…

Q: Calculate [OH-] and pHfor each of the following solutions: (a) 0.105 M NaF,(b) 0.035 M Na2S, (c) a…

A: The chemical reaction is as follows:

Q: How many moles of NO3 - are present in 250.0 mL of a nitric acid solution having a pH of 5.10?

A: Nitric acid is strong acid , having dissociation constant equal to 1. pH of any substance is…

Q: Calculate [OH-] at 25 °C for each solution and determine if the solution is acidic, basic, or…

A: Auto ionization of water: The solution is acidic if [H3O+]>[OH-]. The solution is basic if…

Q: Calculate [H3O+] for each solution pH = 1.52?

A: pH = -log [H3O+]

Q: A solution has a pOH of 6.50 at 50∘C. What is the pH of the solution given that Kw=6.22×10−15 at…

A: To determine pH of solution: First we have to calculate pKw,

Q: Select the pair of substances which is not a conjugate acid-ba O C. H2SO4, HSO4 O A. H3O*, H2O O E.…

A: The question is based on conjugate acid base principle.   a strong acid has a weak conjugate base…

Q: Calculate the pH a 0.060 M HF sulution?

A: Given  [HF] = 0.060 M Ka of HF = 6.6 x 10-4 The dissociation reaction of HF can be written as -…

Q: below B. For each acid above, write the balanced chemical reaction for the dissociation of a proton…

A: Dissociation of acids asked in question is shown below-

Q: 1. Identify the acid on the left and its conjugate base on the right in the following equations: (a)…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Calculate the pH of a 0.0010 M solution of HB, a hypothetical acid with K = 9.6 x 10$. (Use th…

A: The pH of 0.0010 M HB solution is calculated as shown below.

Q: The value of Ka for hypochlorous acid is 3.50x10-8. What is the value of Kb, for its conjugate base,…

A: The dissociation of the hypochlorous acid takes place as follows: HClO + H2O  → H3O+ +  ClO-

Q: Consider the following reaction, CH3COOH + HBr CH3COOH2+ + Br - Identify two acid-base conjugate…

A: Applying concept of conjugate acid and conjugate base.

Q: Arrange the following in order of highest to lowest concentrations of [H3O'), that is, the most…

A: pH = -log[H3O+]  log[H3O+] = -pH So, [H3O+] = 10-pH  As pH + pOH = 14.0  So, pH = 14.0 - pOH

Q: Which of the following is a conjugate pair of acids and bases involved in the below reaction?…

A: Given reaction HCN  + ClO-  →  HClO  + CN-Conjugate pair of acids and bases = To be determined  Acid…

Q: What is the pH of a solution with a concentration of 0.00001 moles/ml (M) of H1?

A: Gvien, concentration of 0.00001 moles/ml (M) of H1

Q: water are sketched below, as under cope so powerful individual atoms Could be seen. The same volume…

A: Acid give H+ ion in water. As a result water gets protonated and H3O+ forms in the solution. More…

Q: Water superheated under pressure to 200 "C and 750 utm hás Kw= 1.5 X10 Aut is (H,O And [OH) at 200…

A: The equilibrium reaction of water at constant temperature; 2H2O→H3O++OH- and equilibrium constant of…

Q: If the pH of an acid solution at 25°C is 6.18what is the POH ; and the [H^ 1+ ],[OH^ 1-) in mol / L?

A: At 25°C, given that;   pH of the acidic solution = 6.18   pOH of the that solution = to be…

Q: Which of the following statements is/are TRUE? Choose all that apply. O Select all that apply A H,Se…

A:

Q: (a) What is the concentration of the Acid? D.l [=Mores しLQrs ミ 20 O.005 BasE PL (b) What is the pH…

A: (a)  Reaction between NaOH and H2CO3…

Q: How much more H+ is there in an acidic solution at pH 3 than a neutral solution?

A: The pH scale is a logarithmic one, meaning that each pH unit has 10 times as many hydrogen ions as…

Q: The following diagrams represent aqueous solutions ofthree acids, HX, HY, and HZ. The water…

A: a) Since the acid which will dissociate more will be more stronger acid  This is because stronger…

Q: HF and HNO2 are both weak acids. HF is a stronger acid than HNO2. Arrange these bases from weakest…

A:

Q: At 25 °C, how many dissociated H+ ions are there in 389 mL of an aqueous solution whose pH is 11.71?…

A:

Q: If solution A had a H+concentration of 10−8M, what wouldbe its pH? If solution B had 1,000 times…

A: The pH of any compound can be calculated on the basis of the concentration of hydronium ions present…

Q: Consider the reaction below. Which species are conjugate acid/base pairs? HSO, (aq) + HCN (aq) =…

A:

Q: For the reaction H,0 + SO, ? «HSO, +0H¯, water behaves as a(n) O acid O base O both acid and base O…

A: Bronsted-Lowry acid-base theory: According to the Bronsted-Lowry acid-base theory, acid is a…

Q: Oxoacids can be formed that involve several central atoms of the same chemical element. An example…

A: The acidity of each oxoacid can be measured by calculating the ratio of the number of double bonded…

Q: To what volume should you dilute 1 L of a solution of a weak acid HA to reduce the [H+] to one-half…

A: Break down the compound.  [HA]→ [H3O+][A-].  Ka is constant for any given [HA]. Reduce  [H3O+] to…

Q: HX (M=150. g/mol) and HY (M=50.0 g/mol) are weakacids. A solution of 12.0 g/L of HX has the same…

A: Given data contains, Density of HX is 12.0g/L. Molar mass of HX is 150.0g/mol. Density of HY is…

Q: What is the pH of a 1.8x10 molar aqueous nitric acid solution? (Hint: The H,0* due to the water…

A:

Q: How many moles of NO3- are present in 250.0mL of a nitric acid solution having a pH of 5.10?

A:

Q: a) What are [H₃O⁺], [OH⁻], and pOH in a solution with a pH of 8.97? (b) What are [H₃O⁺], [OH⁻],…

A: The concentration of the hydrogen ions in the solution is determined in the pH scale.…

Q: [H,O*] (OH-] pH Acidic/Basic 3.15 3.7 x 10° M 11.1 1.6 x 10-11 M

A: pH is a measure of acidity and basicity of a solution. It is the negative logarithm (to base 10) of…

Q: For the strong acid 0.0750 M HCl, determine [H3O^+] and [OH^-].

A:

Q: HF a strong acid, justify your answer.

A: HF is a weak acid, because its ability to dissociate to donate proton is low. It is not strong…

Q: Use the acid-dissociation constants in Table 16.3 to arrange these oxyanions from strongest base to…

A: Introduction: An acid is a substance which can donate H+ ions. An acidic substance has stable…

Q: Which of the following are acids/bases, explain. a.) HF b.) LiOH c.) HCN

A: An acid is a substance that produces H+ ions in aqueous solution and a base is a substance that is…

Q: Which of the following statements is/are true for a 0.10 M solution of a weak acid HA? (a) The pH is…

A: Molarity of HA = 0.10 M

Q: siven a solution with a hydroxide ion (OH") concentration of 4.30x108 M, what is the pH? s the…

A: pH + pOH = 14 pOH =  -log [OH −]          = -log[4.30 X 10-8]          = 7.37 pH = 14 - pOH       =…

Q: Which of the following is a conjugate acid/base pair? A) H.PO4, PO.- B) H2PO., PO. C) HPO.2, P0.- D)…

A: Conjugate acid of any base is formed by adding 1 H+ ion to the base. And Conjugate base of any acid…

Q: What mass of KOH is necessary to prepare 830.0 ml of a solution having a pH = 11.49? Mass = g

A: Find the mass of KOH....

Q: 5) What is the pH and pOH of a solution with a [H,0'] of 5.72X 10* M? Is the solution acidic, basic…

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of…

Q: Calculate the pH of a solution if it's OH = 0.0800M Is this solution basic or acidic?

A: Recall the following relations            pOH=-logOH-          pH+pOH=14If value of pH for a…

Q: An unknown weak base with a concentration of 0.0910 M has a pH of 11.20. What is the Kb of this…

A:

Q: Determine the [H+][H+] , pH, and pOH of a solution with an [OH−][OH−] of 0.0049 M0.0049 M at 25 °C.

A: We know that, pH is the negative logarithm of hydronium ion concentration and pOH is the negative…

Q: The "leftover" from when an acid gives up a proton is called O protonic ampoteric conjugate acids…

A: we need to select the term which describes leftover from an acid after giving up a proton