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- 3. A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentrations of H;O*, CH;COO and CH;COOH at equilibrium. What is the pH of the solution? (Ka = 1.8x10) CH;COOH(aq) = CH;COO (aq) + H;O* (aq) a) Calculate the initial concentration of CH;COOH. (C:12; H:1; 0:16) b) Calculate the concentration of CH;CoO (aq) and H;O* (aq) at equilibrium. c) Calculate pH of the solution.10. Calculate the pH of a solution of CH3NH2(aq) Methylamine, Kb = 4.3x104 that has an initial concentration of 0.20 M? Is it acidic, basic, or neutral solution?The compound methylamine is a weak base like ammonia. A solution contains 0.199 M CH;NH3* and 0.117 M methylamine, CH3NH2. The pH of this solution is
- Acid-Base Equilibrium: 1. Find the pH of 0.0500M CH;CICOOH (a weak acid) where Ka=1.4 x 103 2. Ca(OH); is a strong base (meaning that nearly 100% ionizes). Find the pH for 5.0 x 103 M solution of Ca(OH)2.Please explain it. ASAPStrong Acids; Calculate pH [HA]o [H;O"] pH Step 1 Calculate [H3O] based on the fact that strong acids react completely with water. Step 2 Calculate the pH using the equation: pH = -log (H;O"] What is the pH of a 1.73×10 M solution of the strong acid HC10,? HCIO,(aq) + H20(1) → C10, (aq) + H3o*(aq) [HC10], = 1.73×10-5 Submit
- In the following reaction, HCO; (aq) + H,O(l)=co;²(aq) + H3;0*(aq) Select one: O a. H3O* is an acid and HCO3 is its conjugate base. b. HCO3 is an acid and CO,2 is its conjugate base. O c. HCO; is an acid and H20 is its conjugate base. O d. H20 is an acid and CO32- is its conjugate base. O e. H;O“ is an acid and CO3²- is its conjugate base.11. Refer to the attached photo. Thank you!Consider the following data on some weak acids and weak bases: acid base K. K, name formula name formula HNO, 4.5 x 10¯* C;H;N |1.7×10- nitrous acid pyridine hydrofluoric acid HF 6.8 × 10-4 ethylamine C2H;NH, 6.4 x 10-4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C5H5NHCI choose one 0.1 M NaF choose one 0.1 M KNO2 choose one 0.1 M C2H5NH3Br choose one
- Consider the following data on some weak acids and weak bases: acid base Bo K. K, name formula name formula hydrofluoric acid HF 6.8 × 10 hydroxylamine HONH, |1.1 x 108 hypochlorous acid HСIO |3.0 х 10 methylamine CH;NH2|4.4 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M NaF choose one v 0.1 М CНзNHзBr choose one 0.1 M NaI choose one ♥ 0.1 M HONH3CI choose one v3. What is the pH of a 0.0075 mol L·' HCl solution? What is [OH]in this solution? 4. Each of the following salts were dissolved in water to give a 0.10 mol.L·' solution. Rank the solutions from lowest to highest pH. Their respective pKb values are indicated in brackets. Na2S (-5), Na3PO4 (1.68), NaF (10.86), NaCH3CO0 (9.26), AIC13H. | || The percent ionization of chloroacetic acid is less than that of fluoroacetic acid. :*-C-C-ö-H The percent ionizations cannot be compared without knowing the concentrations of the two acids. The structure of haloacetic acids, XCH,COOH (where X is The percent ionizations cannot be compared without knowing the pH of the solution. either F, Cl, Br, or 1), is shown above. The dissociation constants and molar masses of four haloacetic acids are listed in the table below. The percent ionization of chloroacetic acid is greater than that of fluoroacetic acid. Acid pK. K. Molar Mass(g/mol) CLEAR ALL Fluoroacetic acid 2.59 2.57 x 10–3 78.0 Chloroacetic acid 2.87 1.35 x 10–3 94.5 Bromoacetic acid 2.90 1.26 x 10-3 138.9 lodoacetic acid 3.18 6.61 × 10-4 185.9 An aqueous solution contains small but equal concentrations of both chloroacetic and fluoroacetic acids. Which statement comparing the percent ionizations of the two acids in the solution is true? エーO-