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Question 4 Calculate the [+] of a solution with pH = 5.45 O 8.55 M 2.45...
14-8.55=5.45 6. A 0.15M solution of a weak acid has a pH of 1.25. What is the value of K, for this weak acid?
QUESTION 3 Calculate the molar concentration of an aqueous solution of the strong base, Ba(OH)2, that has a pH = 9.50 O A 6.4x10-5M O B. 1,1 x 10-5M OC 1,6 x 105 m D.3.2 x 10-5 M O E. 3.2 x 10-10 M
Calculate either [H,O+] or [OH^] for each of the solutions. Solution A: [OH-] = 2.45 x 10-7M Solution A: [H,Ot] = M Solution B: [H, 0+1 = 8.21 x 10-'M Solution B: [OH-] = M Solution C: [H, 0+1 = 6.17 x 10-4 M Solution C: [OH-] = M Which of these solutions are basic at 25 °C? A: [OH-] = 2.45 x 10-7M B: [H,0+1 = 8.21 x 10-'M C: [H0+] = 6.17 x 10-4 M
If the pH of the solution is 2.6, what is the [H3O+]?
If the pH of the solution is 2.6, what is the [OH?]?
If the [H3O+] in a solution is 2×10?5M, what is the [OH?]?
If the [H3O+] in a solution is 2×10?5M, what is the pH of the
solution?
If the [H3O+] in a solution is 1×10?12M, what is the [OH?]?
If the [H3O+] in a solution is 1×10?12M, what is the pH of the
solution?
If the...
Question 12 3 pts What is the pH of an aqueous 0.10 M NaC,H,O solution? O 2.82 O 8.37 O 5.82 O 11.44
Chapter 15, Question 67 Parameterization X Incorrect. Calculate the pH of a 0.55 M solution of aqueous C6H5NH3Br. X 2.45 the tolerance is +/-2% Click if you would like to show Work for this question: Open Show Work
A 0.100 molar solution of weak acid HA has pH of 2.45 What is pka? Hint, find [H+] from pH and plug it into into ICE as 'X' HA (+H20) А" <> H30* 0.100 M 0 0 С E 0.100 - X х х solve for Ka, then pka Ka = [H30*1 [A]/[HA] 39 24 6.1 45 5.4 Consider the titration of 25.00 ml of 0.100 MHA with 25.0 0.100 M NaOH. HA +H20 --> A™ + H307 The Ka...
Calculate the pH of each solution. A solution containing 0.0320 M maleic acid and 0.046 M disodium maleate. The Ka values for maleic acid are 1.20 x 10 (Ka1) and 5.37 x 10-7 (Ka2) 1.8 pH A solution containing 0.0306 M succinic acid and 0.019 M potassium hydrogen succinate. The Ka values for succinic acid are 6.21 x 105 (Kal) and 2.31 x 10 (Ka2) pH
Question 12 (1 point) What is the pH at 25°C of a 1.000 L aqueous solution containing 1.10 moles of HBrO and 0.200 moles of NaBro?<br /> Assume that NaBro is a strong electrolyte. 5.45 8.55 O 7.81 9.29 O 4.71
D Question 7 10 pts It is desired to buffer a solution at pH - 4.30. What molar ratio of CH3COOH to NaCH3COO should be used? The Ka for CH3COOH is 1.8 x 10-5. 10 pts D | Question 8 How much NH4CI must be added to 2.00 liters of 0.26 M aqueous ammonia to give a solution with pH 8.55? Assume no volume change due to the addition of NH4CI. The Kb of ammonia is 1.8 x 105, and...