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7) In a basic solution, pH is A) > 7. <1 x 10-7 M B and [H3O+] is ) < 7, < 1 x 10-7 M C) < 7,> 1 x 10-7 M D) = 7, 1 x 10-7 M B) Colete the tend the prof021 MUA.
Question 4 of 65 > What is the pH of an aqueous solution with a hydroxide ion concentration of 3.20 x 10-4 M? O 14.5 O 3.49 10.5 0 -0.505
Question 3 3 pts At 25°C, the pH of pure water is O >7.<14 >0, <7 Question 4 3 pts What is the pH of a 0.570 M solution of aniline? Kb=7.4E-10 Oo oo
Question 15-17
The pH of a basic solution is 11.53. What is [HE]? 15 х O of 1 point earned 2 attempts remaining The pH of a basic solution is 10.97. What is [OH-]? 16 L O of 1 point earned 3 attempts remaining The pOH of an acidic solution is 11.11. What is [H-]? 17 O of 1 point earned 3 attempts remaining >
Question 12 of 17 > Calculate the hydroxide ion concentration, [OH-], for a solution with a pH of 6.96. [OH-] = 3.98 x10-10 | М Incorrect Question 13 of 17 > Calculate the [OH-] and the pH of a solution with an (H+] = 6.6 x 10-12 M at 25°C. [OH-] = M pH = Calculate the (H+) and the pH of a solution with an [OH-] = 0.86 M at 25 °C. H+] = M pH = Calculate the...
Question 14 of 25 > Determine the pH of a solution that is 0.00261 M HCl and 0.0348 M HCIO,. The K, of HCIO, is 1.1 x 10-2. pH =
Which aqueous solution(s) below is(are) considered basic? 1. A solution with a pH = 6 A solution with [OH-]=1 x 10-7 A solution with [H3O+]= 1 10-9 a. III only O b. I only O c. I and II O d. I and III Oe. II only
Question 17 Which of the following pH values indicate a neutral solution? (1 point)* O pH=2 O pH=5 O pH=7 OpH=9 Question 18 Which of the following forms a solution with a pH of 13.7? (1 point) O 0.02M solution of NaOH O 0.04M solution of Mg(OH)2 0.2M solution of HCI 0.5M solution of NaOH
Question 1 (1 point) Given: Br" (aq) -->BrO3- (aq), basic solution. How many electrons appear in the balanced half-reaction? 06 o o o o
S> Question 7 (2 points) What is the pH of a 0.174 M aqueous solution of hydroxylamine, HONH2? The Ky for methylamine is 1.1x10-8. You do not need to solve the quadric equation for this problem. Express your answer to two decimal places. Your Answer: Answer